a. Using the pairs of values for all 10 points, find the equation of the regression line.b. After removing the point with coordinates (2,8), use the pairs of values for the remaining 9 points and find theequation of the regression line..c. Compare the results from parts (a) and (b).Ca. What is the equation of the regression line for all 10 points?ŷ=+x (Round to three decimal places as needed.)b. What is the equation of the regression line for the set of 9 points?y = (Round to three decimal places as needed.)y=c. Choose the correct description of the results below.OA. The regression line changes, but the change is small.OB. The regression line is very similar in both cases.OC. There is no regression line for the second case because the data are in a pattern.On The removal of the point has a significant impact on the regression line108-0++++++0 2 4 6 8 10.OON

From scatter plot : Points are : (x,y) = (2,8) , (5,3) , (5,4) , (5,5) , (6,3), (6,4), (6,5) ,…

Answered: a. Using the pairs of values for all 10…

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter1: Equations And Graphs

Section1.FOM: Focus On Modeling: Fitting Lines To Data

Problem 10P

See similar textbooks

Similar questions

The following fictitious table shows kryptonite price, in dollar per gram, t years after 2006. t= Years since 2006 0 1 2 3 4 5 6 7 8 9 10 K= Price 56 51 50 55 58 52 45 43 44 48 51 Make a quartic model of these data. Round the regression parameters to two decimal places.
A set of n = 15 pairs of scores (X and Y values) produces a regression equation of Y= 2X + 6. Find thepredicted Y value for each of the following X scores:0, 2, 3, and 24.
Draw the regression line for the following equation: Y = -3 + (1) X
A set of n = 15 pairs of scores (X and Y values) produces a regression equation of Y = 2x + 6. Find the predicted Y value for each of the following X scores: 0, 2, 3, and -4.
A set of n = 15 pairs of scores (X and Y values) produces a regression equation of Yˆ = 2X + 6. Find the predicted Y value for each of the following X scores: 0, 2, 3, and –4.
a. Using the pairs of values for all 10 points, find the equation of the regression line. b. After removing the point with coordinates (2,3), use the pairs of values for the remaining 9 points and find the equation of the regression line. c. Compare the results from parts (a) and (b).
A set of n=15 pairs of scores (X and Y) values produces a regression equations of Y=2X+6. Fin the predicted Y value for each of the following X scores: 0, 2, 3, and -4
Given are five observations for two variables, x and y.xi -3 12 6 20 14yi -55 40 55 10 15 Develop the estimated regression equation by computing the values of b0 and b1 using b1 = Σ(xi − x)(yi − y) Σ(xi − x)2 and b0 = y − b1x. y= ____________________ Use the estimated regression equation to predict the value of y when x = 7. _____________________________
Use the following data to answer Questions a, b, and c. a) Determine the correlation coefficient between the percentage of people who get greater than 7 hours of sleep and the percentage who score in the 95th percentile on cognitive tests. b) Find the equation of the regression line for the percentage who get greater than 7 hours of sleep and the percentage who score in the 95th percentile on cognitive tests. c) What percentage of people can we anticipate score in the 95th percentile on cognitive tests in a generation where 27% get greater than 7 hours of sleep? Generation Millennials Gen X Boomers Gen Y Percentage who get greater than 7 hours of sleep (x) 41 Millennials 53 Gen X 64 Boomers 68 Gen y Percentage who score high (95th percentile) on cognitive tests (y) 39 Millennials 47 Gen X 56 Boomers 66 Gen Y
a. Using the pairs of values for all 10points, find the equation of the regression line. b. After removing the point with coordinates(7,1),use the pairs of values for the remaining 9 points and find the equation of the regression line. c. Compare the results from parts (a) and (b).
The accompanying data are the length (in centimeters) and girths (in centimeters) of 12 harbor seals. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x=140 cm (b) x=172 cm (c) x=164 cm (d) x=158 cm Length, x Girth, y136 107168 130152 115145 107159 126160 120124 103137 104154 119149 109146 106145 108 The equation of the regression line is y= ____x+________ Plot .
The accompanying data are the length (in centimeters) and girths (in centimeters) of 12 harbor seals. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x=140 cm (b) x=172 cm (c) x=164 cm (d) x=158 cm Length, x Girth, y138 106168 130153 116144 105159 126158 119124 103137 103154 121148 111147 106145 110 The equation of the regression line is y=____x + ___

SEE MORE QUESTIONS

Recommended textbooks for you

Algebra and Trigonometry (MindTap Course List)

Algebra

ISBN:

9781305071742

Author:

James Stewart, Lothar Redlin, Saleem Watson

Publisher:

Cengage Learning

Algebra & Trigonometry with Analytic Geometry

Algebra

ISBN:

9781133382119

Author:

Swokowski

Publisher:

Cengage

Functions and Change: A Modeling Approach to Coll…

Algebra

ISBN:

9781337111348

Author:

Bruce Crauder, Benny Evans, Alan Noell

Publisher:

Cengage Learning

Algebra and Trigonometry (MindTap Course List)

Algebra

ISBN:

9781305071742

Author:

James Stewart, Lothar Redlin, Saleem Watson

Publisher:

Cengage Learning

Algebra & Trigonometry with Analytic Geometry

Algebra

ISBN:

9781133382119

Author:

Swokowski

Publisher:

Cengage

Functions and Change: A Modeling Approach to Coll…

Algebra

ISBN:

9781337111348

Author:

Bruce Crauder, Benny Evans, Alan Noell

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS