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=2 hours (c) x = 15 hours (b) x = 2.5 hours (d) x= 4.5 hours 40 44 51 48 61 68 v U. 10. O D. not meaningful (b) Predict the value of y for x=2.5. Choose the correct answer below. O A. 49.7 O B. 106.5 OC. 58.8 O D. not meaningful (c) Predict the value of y for x= 15. Choose the correct answer below. O A. 106.5 O B. 49.7 OC. 47.5 O D. not meaningful (d) Predict the value of y for x=4.5. Choose the correct answer below. O A. 58.8 O B. 106.5 OC. 47.5 O D. not meaningful

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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
(a) x = 2 hours
(c) x = 15 hours
(b) x = 2.5 hours
(d) x = 4.5 hours
1
6.
40
44
51
48
61
68
D. not meaningful
(b) Predict the value of y for x = 2.5. Choose the correct answer below.
O A. 49.7
В. 106.5
C. 58.8
D. not meaningful
(c) Predict the value of y for x = 15. Choose the correct answer below.
A. 106.5
В. 49.7
С. 47.5
D. not meaningful
(d) Predict the value of y for x = 4.5. Choose the correct answer below.
A. 58.8
В. 106.5
C. 47.5
O D. 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 (a) x = 2 hours (c) x = 15 hours (b) x = 2.5 hours (d) x = 4.5 hours 1 6. 40 44 51 48 61 68 D. not meaningful (b) Predict the value of y for x = 2.5. Choose the correct answer below. O A. 49.7 В. 106.5 C. 58.8 D. not meaningful (c) Predict the value of y for x = 15. Choose the correct answer below. A. 106.5 В. 49.7 С. 47.5 D. not meaningful (d) Predict the value of y for x = 4.5. Choose the correct answer below. A. 58.8 В. 106.5 C. 47.5 O D. not meaningful
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
(a) x = 2 hours
(c) x = 15 hours
(b) x = 2.5 hours
(d) x = 4.5 hours
1
3
40
44
51
48
61
68
Find the regression equation.
ý =x+ O
y =
(Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.)
Choose the correct graph below.
A.
OC.
D.
80-
80-
80-
80-
0-
0-
0-
0-
8
8
8
8
Hours studying
Hours studying
Hours studying
Hours studying
(a) Predict the value of y for x= 2. Choose the correct answer below.
А. 47.5
В. 58.8
С. 49.7
D. not meaningful
(b) Predict the value of y for x = 2.5. Choose the correct answer below.
A. 49.7
106 5
Test score
Test score
B.
Test score
Test score
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 (a) x = 2 hours (c) x = 15 hours (b) x = 2.5 hours (d) x = 4.5 hours 1 3 40 44 51 48 61 68 Find the regression equation. ý =x+ O y = (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. A. OC. D. 80- 80- 80- 80- 0- 0- 0- 0- 8 8 8 8 Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x= 2. Choose the correct answer below. А. 47.5 В. 58.8 С. 49.7 D. not meaningful (b) Predict the value of y for x = 2.5. Choose the correct answer below. A. 49.7 106 5 Test score Test score B. Test score Test score
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