Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x Test score, y 11 3 4 (a) x= 3 hours (c) x= 12 hours 5 6. (b) x= 4.5 hours (d) x= 3.5 hours 40 45 50 49 62 70 Find the regression equation. (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. OA. O B. Oc. OD. 80 80 Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x=3. Choose the correct answer below. OA. 54.2 O B. 58.6 OC. 51.9 OD. not meaningful fest score Test score
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x Test score, y 11 3 4 (a) x= 3 hours (c) x= 12 hours 5 6. (b) x= 4.5 hours (d) x= 3.5 hours 40 45 50 49 62 70 Find the regression equation. (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. OA. O B. Oc. OD. 80 80 Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x=3. Choose the correct answer below. OA. 54.2 O B. 58.6 OC. 51.9 OD. not meaningful fest score Test score
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please view the information listed in the photos and answer the questions in both the photos! thank you :)
Transcribed Image Text:(b) Predict the value of y for x= 4.5. Choose the correct answer below.
O A. 92.3
о в. 54.2
O C. 58.6
O D. not meaningful
(c) Predict the value of y for x= 12. Choose the correct answer below.
O A. 51.9
ов. 58.6
O C. 92.3
O D. not meaningful
(d) Predict the value of y for x = 3.5. Choose the correct answer below.
O A. 51.9
O B. 92.3
O C. 54.2
OD. not meaningful
Transcribed Image Text:Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for
each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below.
Hours spent studying, x
Test score, y
3
(a) x= 3 hours
(c) x= 12 hours
(b) x = 4.5 hours
(d) x= 3.5 hours
4
5
40
45
50
49
62
70
Find the regression equation.
y=*+ (O
(Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.)
Choose the correct graph below.
O A.
OB.
Oc.
OD.
80-
80-
80-
80-
0-
0-
0.
Hours studying
0-
8
Hours studying
Hours studying
Hours studying
(a) Predict the value of y for x= 3. Choose the correct answer below.
O A. 54.2
O B. 58.6
O C. 51.9
OD. not meaningful
Test score
Test score
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