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 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 = 4.5 hours (d) x= 1.5 hours 4 5 40 44 48 62 73 O D. not meaningful (b) Predict the value of y for x= 4.5. Choose the correct answer below. O A. 149.6 о в. 42.4 OC. 66.2 O D. not meaningful (c) Predict the value of y for x= 15. Choose the correct answer below. O A. 66.2 O B. 46.4 Oc. 149.6 O D. not meaningful (d) Predict the value of y for x= 1.5. Choose the correct answer below. O A. 46.4 О В. 149.6 O C. 42.4 O D. not meaningful

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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 = 4.5 hours
(d) x = 1.5 hours
1
2
2
3
4
40
44
51
48
62
73
..
U0.2
D. not meaningful
(b) Predict the value of y for x = 4.5. Choose the correct answer below.
A. 149.6
В. 42.4
C. 66.2
D. not meaningful
(c) Predict the value of y for x = 15. Choose the correct answer below.
A. 66.2
В. 46.4
C. 149.6
D. not meaningful
(d) Predict the value of y for x = 1.5. Choose the correct answer below.
O A. 46.4
В. 149.6
С. 42.4
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 = 4.5 hours (d) x = 1.5 hours 1 2 2 3 4 40 44 51 48 62 73 .. U0.2 D. not meaningful (b) Predict the value of y for x = 4.5. Choose the correct answer below. A. 149.6 В. 42.4 C. 66.2 D. not meaningful (c) Predict the value of y for x = 15. Choose the correct answer below. A. 66.2 В. 46.4 C. 149.6 D. not meaningful (d) Predict the value of y for x = 1.5. Choose the correct answer below. O A. 46.4 В. 149.6 С. 42.4 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 = 4.5 hours
(d) x = 1.5 hours
1
2
3
4
40
44
51
48
62
73
Find the regression equation.
y =x+ (D
(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.
В.
C.
D.
80-
80-
80-
80-
0-
0-
0-
8
Hours studying
8
Hours studying
Hours studying
Hours studying
(a) Predict the value of y for x = 2. Choose the correct answer below.
A. 42.4
В. 46.4
C. 66.2
D. not meaningful
(b) Predict the value of y for x = 4.5. Choose the correct answer below.
A. 149.6
R
42 4
Test score
Test score
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 = 4.5 hours (d) x = 1.5 hours 1 2 3 4 40 44 51 48 62 73 Find the regression equation. y =x+ (D (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. В. C. D. 80- 80- 80- 80- 0- 0- 0- 8 Hours studying 8 Hours studying Hours studying Hours studying (a) Predict the value of y for x = 2. Choose the correct answer below. A. 42.4 В. 46.4 C. 66.2 D. not meaningful (b) Predict the value of y for x = 4.5. Choose the correct answer below. A. 149.6 R 42 4 Test score Test score Test score Test score
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