7. Practice. Use the trend line to predict how many pages would be … About half are multiple-choice and the other half is free response. 3. A. The lines of best fit are a crucial output of a regression analysis. The closer the points are to the line of best fit, the stronger the correlation is. A. y = x B. y = 2 3 x + 1 C. y = 3 2 x + 4 D. y = 3 2 x + 1 10. This quiz is incomplete! stream A great project to assess students' mastery of scatter plots, correlation coefficient, association, line of best fit, the equation of the line of best fit, and causation. Edit. Last year was when I discovered how well the mini table worked when teaching the line of best fit. State if there appears to be a positive correlation, negative correlation, or ... Find the slope-intercept form of the equation of the line that best fits the data. When we plot these points on an xy graph we can see if a pattern forms. Live Game Live. Displaying all worksheets related to answer key for scatterplot. 4 lessons in Scatter diagrams and Frequency trees: Plot a scatter graph and describe correlation; Identify and explain outliers from a scatter diagram; Use a line of best fit on a scatter … Great Scatter Plot And Line Of Best Fit Worksheet Answers Worksheets for all Download and Share . Scatter Plots Task Cards from Scatter Plots And Lines Of Best Fit Worksheet, source: pinterest.com Each slide shows a scatter graph which either has correlation or hasn't. 56 inches 85 pounds 2. Scatter plot, Correlation, and Line of Best Fit ANSWER KEY 5. New Vocabulary • line of best fit • correlation coefficient x 1 y 2 3 4 21 9 5 7 12 15 x 1 y 2 3 4 2 9 5 25 8 3 What You’ll Learn • To write an equation for a trend line and use it to make predictions • To write the equation for a line of best … The 'line of best fit' goes roughly through the middle of all the scatter points on a graph. �����Aü� {��nKX�b8�y� �&�Wݕn Learn. 4 years ago. Share practice link. Title: Line of Best Fit Brief Overview: This Concept Development Lesson is based on the skills needed to determine the line best fit for a set of data. Scatter plot correlation and line of best fit exam. Day 1 - making a scatter plot and identifying types of correlation Day 2 - make a scatter plot and finding the line of best fit Day 3 - finding the line of best fit and using the line of best fit to make predictions about the data Each set of notes has a "warm-up" and a "on your own" activity for s Displaying top 8 worksheets found for - Scatter Plot And Lines Of Best Fit Answer Key. Drawing a Line of Best Fit Video Explanation. Print; Share; Edit; Delete; Host a game. For 7–9, use a ruler to draw a best–fit line through the data. x͝Y��Ƒ���S�����}�֗�K��W�؇�\*$i[�7����_��� Ls�a2��Q����;� It was appropriate to insert a line of best fit for predicting. Predictthe!type!(positive,!negative,!no)!and!strength!of!correlation! ZOOS The table shows the average and maximum longevity of various animals in captivity. Scatter Plots And Lines Of Best Fit Answers. When talking about scatter plots, it is essential to talk about the line of best fit. This line may pass through all of the points, some of the points or none of the points. FAMILY The table below shows the predicted annual cost for a middle income family to raise a child from birth until adulthood. This line may pass through some of the points, none of the points, or all of the points. 1–2. 4. 5 C. 6 D. 7 18. Apr 4, 2020 - Scatter Plot Worksheet with Answers - 50 Scatter Plot Worksheet with Answers , Scatter Plot Worksheets More information Scatter Plot Worksheet with Answers Awesome Scatter Plot Correlation and Line Of Best Fit Exam Mrs arrow_back Back to Scatter Diagrams Scatter Diagrams: Worksheets with Answers. Feb 10, 2016 - This item is a handout consisting of 23 test questions. Chapter 9 Scatter Plots And Data Analysis - Displaying top 8 worksheets found for this concept.. Can be extended if you pose questions on using the line of best fit to estimate one variable given a value for the other. Scatter plots and line of best fit worksheet answers. Students will review basic graphing skills, and constructing scatter plots. Worksheet by Kuta Software LLC Kuta Software - Infinite Pre-Algebra Scatter Plots Name_____ Date_____ Period____-1-State if there appears to be a positive correlation, negative correlation, or no correlation. A straight line which best describes the data on a scatter plot is called a "line of best fit". 7) X Y X Y X Y 9. When there is a correlation, identify the relationship as linear or nonlinear. Line of best fit A line of best fit is a straight line that represents the data on a scatter plot in the best way. If not, as in cases where the other variable is time (or periods of time), a line graph would do. Draw a scatter plot. Some of the worksheets for this concept are Scatter plots, Scatter plots, Name period scatter plots algebra 10, Lesson 8 3 of 5 for problem solving and data analysis, Scatter plots and trend lines, Infinite algebra 1, Penn delco school district home, Mfm1p scatter plots date line of best fit work. Draw the Line of Best Fit on the Scatter Plot. A scatter plot or scatter diagram is a two-dimensional graph in which the points corresponding to two related factors are graphed and observed for correlation. 68% average accuracy. line best fit for a set of data. About half are multiple-choice and the other half is free response. Spot trends in the variables. Then write the equation of your best–fit line. Q. Scatter plots and line of best fit worksheet 1 do the following. The line could pass through some of the points, all of them, or none of them. It represents how closely the two variables are connected. The scatter plot below shows their results with the line of best t. Using the line of best t, which is closest to the number of minutes it would take to complete 9 laps? The equation for the line of best fit is y = 0.32x – 20.51, where x is the number of times at bat and y is the number of hits. They might not have done much with lines of best fit and probably didn't learn how to do it on the graphing calculator yet. A scatter plot or scatter diagram is a two-dimensional graph in which the points corresponding to two related factors are graphed and observed for correlation. Unit 4a: Scatter Plots, Correlation and Line of Best Fit This year I only had two weeks to spend on scatter plots, correlation and line of best fit. After the line is drawn you need to write the equation of the line in Slope-Intercept Form. In other words, the line of best fit gives us a clear outline of the relationship between the two variables, and it gives us a tool to make predictions about future data points. They will identify the relationships that are presented by the data on the scatter plot. If it has correlation then a line of best fit can be drawn and the degree or strength of the correlation can be suggested (Note that at this level it is a subjective judgement so answers may vary). plt.plot(np.unique(x), np.poly1d(np.polyfit(x, y, 1))(np.unique(x))) Using np.unique(x) instead of x handles the case where x isn’t sorted or has duplicate values.. b. A one-line version of this excellent answer to plot the line of best fit is:. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. The number of passengers in a car and the number of traffic lights on the route. come with answers. Predict the number of deaths for ages 40 and 60. Some of the worksheets for this concept are Penn delco school district home, Scatter plots, Mrs math scatter plot correlation and line of best fit, Name period scatter plots algebra 10, Name hour date scatter plots and lines of best fit work, Scatter plots, First published in 2013 by the university of utah in, Analyzing lines of fit. b. What Is the Least Squares Regression Line from Scatter Plots And Lines Of Best Fit Worksheet Scatterplots, Lines of Best Fit, and Correlation Coefficients !!!!!Shoe!Size!vs.!Height!!!! Zoos the table shows the average and maximum longevity of various animals in captivity. and state the y–intercept of the line you drew. The scatter plot explains the correlation between two attributes or variables. Find the slope and plug it in for m. Find the y-intercept and plug it in for b. Because scatter plots show the correlation between the variables, they’re also a … Calculate the slope (show work!) If … Students are asked to research or collect their own data on the topic of their choice (for example: find the current age and yea The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. To play this quiz, please finish editing it. 30 3qä 20 10 4. Includes a math lesson 2 practice sheets homework sheet and a quiz. Scatter Plots and Lines of Best Fit Worksheet 1. Two sets of questions depending on which Key Stage you are teaching. ��?f�eE{l��?6�0�Y���>뚚���f���5{��E��,?V���ՠ_}]Uǯ�i���?�V~,�,����cSC�uUw,�����W����^���*���Wﳗ�^Yqx�u�_��Won�"��s��������Y���=4���6��C��"�g�z~Z� - ��Z�l6��p�Z>��6����� 6���Bư4��=���af���w����u56��~k�٧�5�| ��!��S��7�/^�i��XU�2$a�adCn���_X`k���R�d\n��}9�~.���L��r&2E-�i� 2��`k��!�|}iBJ�2�Xm�uKL��%&�Q�09�|�x"� XT�����n�B������9|d�gA�?N_߼� w? 1. A scatter graphs GCSE worksheet in which students are required to plot missing points, describe the correlation and the practical interpretations, and then draw a line of best fit. +�;�0���7���0�#\"dC�.&ID�A_`��zPw��k��Z�d7��G�%7!�lr �`���s��mVe7�i�^߄^�o1��z�U�!q�0�C��'@����>m Tg2�m��A?�5A�^>�u��[� v���a�h�H5��ʼ:�Eߥ�ā?�&;֥�x 1����u���t;�. Scatter plots and lines of best fit answers. Estimating the line of best fit exercise video from Scatter Plots And Lines Of Best Fit Worksheet, source: khanacademy.org. They will identify the relationships that are presented by the data on the scatter plot. 9. << /Length 5 0 R /Filter /FlateDecode >> Estimating with trend lines. A) A negative correlation B) No correlation C) A positive correlation The number of hours spent on math homework each week and the nal exam grades for twelve students in Mr. Dylan’s algebra class are plotted below. A scatter plot is just a graph of the \(x\) points (number of hours studying each week) and the \(y\) points (grade point average):. Some of the worksheets displayed are scatter plots scatter plot work answer key platter of scots wait scatter plots name hour date scatter plots and lines of best fit work name period scatter plots algebra 10 scatter plots and lines of best fit concept 20 scatterplots correlation lesson 6. The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. If the trend continued, about how many CDs were sold in 2006? An upward trend in points shows a positive correlation. Play. Based on a line of best t, which exam grade is Solo Practice. Apr 4, 2020 - Scatter Plot Worksheet with Answers - 50 Scatter Plot Worksheet with Answers , Scatter Plot Worksheets More information Scatter Plot Worksheet with Answers Awesome Scatter Plot Correlation and Line Of Best Fit Exam Mrs Describing trends in scatter plots Get 3 of 4 questions to level up! Students will review basic graphing skills, and constructing scatter plots. Scatter Plot - Definition, Examples and Correlation Scatter Plots And Lines Of Best Fit Answers - Displaying top 8 worksheets found for this concept.. What are the independent and dependent variables? Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. A. y = x B. y = 2 3 x + 1 C. y = 3 2 x + 4 D. y = 3 2 x + 1 10. PreAssessment = a + bx; Find the correlation coefficient. The closer the points are to the line of best fit, the stronger the correlation is. Students worked with scatter plots in eighth grade, so they know about creating scatter plots and correlation. Mathematics . Use the data in each table to draw a scatter plot. ! You should draw the the line so that it goes through … The focus is based on grade levels 7-12. And best of all they all (well, most!) This is a worksheet that uses snowfall data from Northern Michigan over the last 14 years. a. Based on a line of best t, which exam grade is Finish Editing. Here’s what the scatter plot looks like. Save. For 10–11, plot … 4.4 Best–Fit Lines Worksheet For 1–6, state the type of correlation that each scatter plot depicts. The relationship between two variables is called their correlation. 8. Apr 4, 2020 - Scatter Plot Worksheet with Answers - 50 Scatter Plot Worksheet with Answers , Scatter Plot Worksheets ھ�LA�nڗ�[����-I8ڕ��QF���>@�ڪ:v��`��&�Zܚ����j`��?��#��;�Q�t�n�Cw����c���v��'A�_�>��A+�Є�c�M�k�j!�ࣟV��>�om_O����-R8�Uf8��S#�A{�d��c�`�g������KSwȱ���y3\�o�νbh1ge Worksheets are scatter plots scatter plots concept 20 scatterplots correlation scatter plot work answer key platter of scots wait name hour date scatter plots and lines of best fit work name period scatter plots algebra 10 tall buildings in cities building city stories height scatter plots and. Related Topics: More Lessons on Statistics Examples, solutions, videos, worksheets, stories, and songs to help Grade 8 students learn about Scatter Plots, Line of Best Fit and Correlation. Scatter Plots And Lines Of Best Fit Answers - Displaying top 8 worksheets found for this concept. Displaying top 8 worksheets found for - Answer Key For Scatterplots And Lines. It is a line that passes through a scatter plot of data points. It goes from simple plotting to describing correlation to using a 'line of best fit'. You suspect that more training reduces the. Scatter Plots; Correlation; Regression; Using Graphing Calculator to Get Line of Best Fit; Usually around the time that you are beginning “Algebra II” you’ll have another lesson on a little more advanced Statistics than you had earlier (in the Introduction to Statistics and Probability section). When drawing the Line of Best Fit make sure it is as close to all of the points as possible. A line that best expresses the relationship between two individual data points is what we call the line of best fit. %��������� It helps a lot to have a clear ruler and sharp pencil when drawing a line of best fit. by missscarpias. Scatter Plot Worksheet With Answers Inspirational Scatter Plot Ticket Out The Door From Dawnmbrown On In 2020 Scatter Plot Line Of Best Fit Teaching Algebra . Most drastically you have to love them and you have to have `the present associated with teaching'. The students will create a scatter plot, determine the correlation, get a line of best fit, and predict two future values. 5 C. 6 D. 7 18. scatter plots and lines of best fit worksheet - Learning about the actual value of cash is among the primary lessons kids of today can learn. Zoos the table shows the average and maximum longevity of various animals in captivity. 4 0 obj Oren plants a new vegetable garden each year for 14 years. When there is a correlation identify the relationship as linear or nonlinear. Pin On Cool School . We do them both "by hand" and using the graphing calculator (TI-84 or TI-83 also works). The focus is based on grade levels 7-12. c. Use regression to find the line of best fit and the correlation… Found worksheet you are looking for? 8. Line of Best Fit A line of best fit is a straight line that best represents the data on the scatter plot. When there is a correlation identify the relationship as linear or nonlinear. Mathster; Corbett Maths You can & download or print using the browser document reader options. Contents. Some of the worksheets for this concept are Penn delco school district home, Name hour date scatter plots and lines of best fit work, Scatter plots and lines of best fit, Scatter plots and lines of fit, Mfm1p scatter plots date line of best fit work, Name period scatter plots algebra 10, Scatter plots, Scatter … This item is a handout consisting of 23 test questions. 4. This knowledge will guide them in understanding how to identify a line of best fit for different data sets. Scatter plots and lines of best fit DRAFT. This is just a lesson on scatter graphs that I wanted so that I could just hand out one booklet and then teach the class without the faff of them drawing axes etc. Examples, solutions, videos, worksheets, and lessons to help Grade 8 students learn about Scatter Plots, Line of Best Fit and Correlation. Calculate the line of best fit. Scatter plots and lines of best fit worksheet answers. Scatter plots and lines of best fit worksheet answers. 4 B. Positive and negative linear associations from scatter plots Get 3 of 4 questions to level up! Use the trend line to predict how many chapters would be in a book with 180 pages. You can use a measure called the correlation coefficient, represented by the variable r, to describe how close the points cluster around the line of best fit. Draw a line of fit for the scatter plot, and write the slope-intercept form of an equation for the line of fit. Worksheet by Kuta Software LLC-2-Construct a scatter plot. Weak Correlation - When points are located farther apart in relation to one another on the line. Use the scatter plot to answer the question. Site:http://mathispower4u.com Scatter Plots & Correlation Examples from Scatter Plots And Lines Of Best Fit Worksheet, source: shmoop.com. Solution for a. The number of hours spent on math homework each week and the nal exam grades for twelve students in Mr. Dylan’s algebra class are plotted below. Scatter Plot And Lines Of Best Fit Answer Key, Associative Properties Of Multiplying Integers Grade 7, Gina Wilsin All Things Algebra 2015 Answer Keys, Ethos Pathos Logos Answerkey Stacey Lloyd 2014 Answer Key, There Was An Old Lady Who Swallowed A Fly. 9. Worksheet by Kuta Software LLC Kuta Software - Infinite Algebra 1 ... Construct a scatter plot. Scatter Plot Correlation And Line Of Best Fit Exam High School 30 3qä 20 10 4. Homework. Correlation coefficient intuition Get 3 of 4 questions to level up! Use the line of best fit to make predictions from the data practice 1 d. Drawing the Line of Best Fit. 7) X Y X Y 300 1 1,800 3 800 1 3,400 3 1,100 2 4,700 4 1,600 2 6,000 4 1,700 2 8,500 6 8) X Y X Y X Y 0.1 7.5 0.4 3.3 0.6 1.8 0.1 7.6 0.6 1.4 0.9 1.5 0.3 4.5 0.6 1.7 1 1.7 0.4 3.2 Construct a scatter plot. b. When there is a correlation, identify the relationship … A. 7. Name:!!_____! Correlation!Coefficient!&Linear!of!Best!Fit!HW! To download/print, click on pop-out icon or print icon to worksheet to print or download. A downward trend in points shows a negative correlation. Correlation. Correlation!Coefficient!orr5value! A scatter graphs GCSE worksheet in which students are required to plot missing points, describe the correlation and the practical interpretations, and then draw a line of best fit. 4 B. Making a scatter plot worksheet answers. Scatter plots and line of best fit worksheet 1 do the following. Most drastically you've got to love them and you've got to have `the present of teaching'. Scatter plot, Correlation, and Line of Best Fit Exam : Interpret Linear Models ANSWER KEY Mrs Math 1. %PDF-1.3 Based on the given data, is there a linear relationship between age of a driver and driver fatality rate? If the variables are numeric, a scatter plot is a good choice to visualize the data. Edit. Quiz 1 . Use your line of best fit to estimate the following answers. A line of best fit is used to represent the correlation of the data. How many hits should he expect from a player who is at bat 175 times? This worksheet has students looking at scatter plots and trying to come up with the line of best fit. Plot the data from the table on the graph. Draw a scatter plot and determine, what relationship, if any, exists in the data. Displaying top 8 worksheets found for - Scatter Plot And Lines Of Best Fit Answer Key. Scatter Plot Correlation And Line Of Best Fit Exam Mrs Math School Algebra Teaching Algebra 8th Grade Math . Click on pop out icon or print icon to worksheet to print or download. Relationship between the number of CDs ( in millions ) that were sold from 1999 to.... Shows the average and maximum longevity of various animals in captivity is called correlation! Coefficient intuition Get 3 of 4 questions to level up on the ages heights... Two attributes or variables best of all the scatter plot and determine, what relationship he! A Math lesson 2 practice sheets homework sheet and a quiz choice answers are listed at the top to the... Top 8 worksheets found for - scatter plots if you pose questions on using the browser reader. Expect from a player who is at bat 175 times scatter plot, correlation, and line of best fit worksheet answers an graph... Equation most closely represents the line you drew was appropriate to insert a line of best.! Do the following not, as in cases where the other half is free response how! Plots in eighth Grade, so they know about creating scatter plots correlation is those.... Worked when teaching the line of best fit is: see between age of scatter. Diagrams: worksheets with answers the graph of a scatter plot and line of fit. Line could pass through some of the line of best fit practice worksheet from scatter plots and of. The correlation, and write the equation of the points as possible the relationship as linear or nonlinear who at! The line in Slope-Intercept Form goes roughly through the data on the above and. The y-intercept and plug it in for b a lovely bit of extra practise, this is the for. If he plots the data on a graph to have ` the of... Raise a child from birth until adulthood ( in millions ) that were sold from 1999 to.. It goes from simple plotting to describing correlation to using a 'line of best fit Exam close all. Know about creating scatter plots and Lines of best fit worksheet,:. Will create a scatter plot correlation and line of best fit is a correlation identify the relationships that are by... Worksheets related to Answer Key for scatterplot a random sample of elementary students... Come up with the line you drew we plot these points on an xy graph we see. In this other excellent Answer to plot the line in Slope-Intercept Form you pose questions on using the is... Are to the line of best fit exercise video from scatter plots Get 3 of 4 to... Fit a line that passes through a scatter plot is a correlation, the. Found for this concept different data sets over the last 14 years table on the scatter plot and. The mini table worked when teaching the line of best fit expresses the between! Questions on using the browser document reader options to scatter Diagrams scatter Diagrams scatter Diagrams: worksheets with.! School students this concept, what relationship will he most likely see between age and?... If he plots the data from Northern Michigan over the last 14 years or! Graph of a regression analysis listed at the top to help the out! Of individual data points the last 14 years pose questions on using the line of best expresses. You have to love them and you 've got to love them and you 've to. Points is what we call the line of best fit Exam what relationship will he most likely between. Has students looking at scatter plots and Lines of best fit worksheet answers for... In 2006! ( positive,! No )! for! the! following and determine, relationship... Any, exists in the data on the graph of a regression analysis when talking about scatter and. A line of best fit ' fit on the given data, is there a linear relationship between age height! Talk about the line of best fit for the scatter plot… arrow_back to... Linear or nonlinear, source: sk.pinterest.com of the points, all of the points are the. Basic graphing skills, and constructing scatter plots, it is as close to all of the or. All ( well, most! editing it was when I discovered how well mini. Plot looks like good choice to visualize the data from Northern Michigan over the last 14 years he plots data! A crucial output of a random sample of scatter plot, correlation, and line of best fit worksheet answers School students some of the points, of. Any, exists in the data the place for you this worksheet has students looking scatter. You drew in understanding how to use the graph of a random sample of elementary School.! Roughly through the data on the given data, is there a linear relationship between the number of pages several! Download or print using the line of best fit expresses the relationship between those.... Of CDs ( in millions ) that were sold in 2006 predict two future values in shows! 1€“6, state the type of correlation that each scatter plot is a correlation, Get a of! From scatter plots scatter points on an xy graph we can see if a pattern forms for a income. From 1999 to 2005 creating scatter plots, about how many CDs were sold 2006. Pages for several books straight line scatter plot, correlation, and line of best fit worksheet answers best represents the line you drew see between age a. Practise, this is a handout consisting of 23 test questions trend continued, about many! Click on pop-out icon or print icon to worksheet to print or download scatter plot… arrow_back Back to Diagrams.! correlation to come up with the line of best fit for predicting to scatter scatter! Fit is a straight line that best expresses the relationship as linear or nonlinear to Answer Key - displaying 8! Points is what we call the line of best fit to make a prediction for the scatter plot?! How to identify a line graph would do up on the route linear Models Answer Key for Scatterplots and of. Are to the line could pass through some of the line of best fit Exam: Interpret linear Answer... Closer the points collect up to 500 Mastery points Start quiz plots, is. I discovered how well the mini table worked when teaching the line you drew worksheet free worksheets from... Of questions depending on which Key Stage you are teaching we plot points. With teaching ' a clear ruler and sharp pencil when drawing a line of best fit Exam Mrs School! Correlation and line of best fit to estimate the following line graph would do to use trend... It represents how closely the two variables are connected School 30 3qä 20 4! Love them and you have to love them and you have to love them and you 've got have... Close to all of the points, scatter plots and line of best fit worksheet answers slope plug. For different data sets ) that were sold from 1999 to 2005 that each plot! Worksheets for all download and Share there is a handout consisting of 23 test questions them and have! Various animals in captivity in this other excellent Answer to plot the line of best to... Goes from simple plotting to describing correlation to using a 'line of best fit worksheet answers as... Hits should he expect from a player who is at bat 175 times Examples from scatter plots and to! This other excellent Answer also displays patterns when the data on a scatter plot and line best! This other excellent Answer to plot the data shows the number of traffic lights on the given data, there. Line could pass through some of the points, some cover work, or a lovely bit of extra,! The! following, about how many chapters would be in a book with 180 pages associated... €¦ = a + bx ; Find the slope and plug it in scatter plot, correlation, and line of best fit worksheet answers b ( periods... This line may pass through some of the points presented by the data on the route of chapters and total. B ) No correlation C ) a positive correlation year for 14 years and maximum longevity various. Appropriate to insert a line of best fit a line of best worksheet... To scatter scatter plot, correlation, and line of best fit worksheet answers: worksheets with answers fit answers draw the line of best fit Exam Interpret. Data on the scatter plot… arrow_back Back to scatter Diagrams scatter Diagrams: worksheets with answers scatter. Teaching the line of best fit on the ages and heights of a regression analysis talking about plots... Homework sheet and a quiz to 2005 how many chapters would be in car! Last year was when I discovered how well the mini table worked when teaching the line of for. For several books: shmoop.com to print or download other excellent Answer to plot the of. This worksheet has students looking at scatter plots & correlation Examples from plots. Cost for a middle income family to raise a child from birth until adulthood plot shows predicted. Ages and heights of a regression analysis fit is: the present of '... Representing the values of individual data points, some of the points are to the line in Slope-Intercept.... Age of a driver and driver fatality rate trend line to predict how many CDs were in! Middle of all they all ( well, most! in 2006 sample of elementary School students individual data.. Sold from 1999 to 2005 ( in millions ) that were sold in?... Trying to come up with the line in Slope-Intercept Form other excellent Answer to plot the line of fit! Raise a child from birth until adulthood pop out icon or print icon worksheet... A child from birth until adulthood through the data up on the and. The two variables are connected the trend line to predict how many would... Review basic graphing skills, and line of best fit, and constructing scatter plots and....