Question

A study was done to look at the relationship between number of lovers college students have had in their lifetimes and their GPAs. The results of the survey are shown below. Lovers 3 2 0 5 3 1 1 8 2 0 1 3 1 4 6 GPA 2.4 3.0 3.8 2.0 2.7 3.3 3.7 0.5 3.6 4.0 2.8 3.6 3.5 1.8 2.2 A. r = 0.897 Round to three decimal places. B. $r^2$ = 0.805 Round to three decimal places. C. Find the equation of the least squares regression line: y = 3.856 + -0.374 x Round to three decimal places. D. What does the regression line predict for the GPA of a student who has had 4 lovers? 2.632 Round to three decimal places.

          A study was done to look at the relationship between number of
lovers college students have had in their lifetimes and their
GPAs. The results of the survey are shown below.
Lovers 3 2 0 5 3 1 1 8 2 0 1 3 1 4 6
GPA 2.4 3.0 3.8 2.0 2.7 3.3 3.7 0.5 3.6 4.0 2.8 3.6 3.5 1.8 2.2
A. r = 0.897
Round to three decimal places.
B. $r^2$ = 0.805
Round to three decimal places.
C. Find the equation of the least squares regression line:
y = 3.856 + -0.374 x
Round to three decimal places.
D. What does the regression line predict for the GPA of a
student who has had 4 lovers? 2.632
Round to
three decimal places.

Show more…

A study was done to look at the relationship between number of
lovers college students have had in their lifetimes and their
GPAs. The results of the survey are shown below.
Lovers 3 2 0 5 3 1 1 8 2 0 1 3 1 4 6
GPA 2.4 3.0 3.8 2.0 2.7 3.3 3.7 0.5 3.6 4.0 2.8 3.6 3.5 1.8 2.2
A. r = 0.897
Round to three decimal places.
B. r^2 = 0.805
Round to three decimal places.
C. Find the equation of the least squares regression line:
y = 3.856 + -0.374 x
Round to three decimal places.
D. What does the regression line predict for the GPA of a
student who has had 4 lovers? 2.632
Round to
three decimal places.

Added by Joaquin G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sheryl Ezze

07/13/2022

Step 1

Step 1: Calculate the correlation coefficient (r) using the formula: r = (nΣxy - ΣxΣy) / √[(nΣx^2 - (Σx)^2)(nΣy^2 - (Σy)^2)] where n is the number of data points, Σxy is the sum of the product of x and y values, Σx and Σy are the sum of x and y values, and Σx^2 and Show more…

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A study was done to look at the relationship between number of lovers college students have had in their lifetimes and their GPAs. The results of the survey are shown below. able[[Lovers,3,2,0,5,3,1,1,8,2,0,1,3,1,4,6],[GPA,2.4,3.0,3.8,2.0,2.7,3.3,3.7,0.5,3.6,4.0,2.8,3.6,3.5,1.8,2.2]] A. r= Round to three decimal places. B. r^(2)= Round to three decimal places. C. Find the equation of the least squares regression line: y= Round to three decimal places. D. What does the regression line predict for the GPA of a student who has had 4 lovers? Round to three decimal places. A study was done to look at the relationship between number of lovers college students have had in their lifetimes and their GPAs.The results of the survey are shown below. Lovers320531 GPA 243.03.82.02.73.33.70.53.64.02.83.63.51.82.2 A.r= 0.897 Round to three decimal places, B.=0.805 Round to three decimal places C.Find the equation of the least squares regression line 3.856 -0.374 Round to three decimal places D.What does the regression line predict for the GPA of a student who has had 4 lovers?2.632 Round to three decimal places.

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