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 f test and their scores on that test are shown below. Hours spent studying, x Test score, y (a) x2 hours (c) x= 15 hours (b) x=45 hours (d) x=3.5 hours 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. OB. OD. Q Hours studying Hours studying (a) Predict the value of y for x=2. Choose the correct answer below. OA. 56.2 OB. 47.5 OC. 620 OD. not meaningful (b) Predict the value of y for x=4.5. Choose the correct answer below. OA. 122.7 OB. 62.0 O. 562 OR. not meaningful

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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
3
47
5
68
(a) x = 2 hours
(c) x = 15 hours
(b) x = 4.5 hours
(d) x = 3.5 hours
1
40
44
51
64
Find the regression equation.
ŷ =x+ 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.
A.
OB.
OC.
OD.
80-
Hours studying
Hours studying
Hours studying
Hours studying
(a) Predict the value of y for x = 2. Choose the correct answer below.
О А. 56.2
О В. 47.5
ОС. 62.0
O D. not meaningful
(b) Predict the value of y for x = 4.5. Choose the correct answer below.
O A. 122.7
О В. 62.0
O C. 56.2
O D. not meaningful
Testscore
Testscore
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 47 5 68 (a) x = 2 hours (c) x = 15 hours (b) x = 4.5 hours (d) x = 3.5 hours 1 40 44 51 64 Find the regression equation. ŷ =x+ 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. A. OB. OC. OD. 80- Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x = 2. Choose the correct answer below. О А. 56.2 О В. 47.5 ОС. 62.0 O D. not meaningful (b) Predict the value of y for x = 4.5. Choose the correct answer below. O A. 122.7 О В. 62.0 O C. 56.2 O D. not meaningful Testscore Testscore
(c) Predict the value of y for x = 15. Choose the correct answer below.
O A. 62.0
О В. 122.7
OC. 47.5
O D. not meaningful
(d) Predict the value of y for x= 3.5. Choose the correct answer below.
O A. 56.2
О В. 47.5
OC. 122.7
O D. not meaningful
Transcribed Image Text:(c) Predict the value of y for x = 15. Choose the correct answer below. O A. 62.0 О В. 122.7 OC. 47.5 O D. not meaningful (d) Predict the value of y for x= 3.5. Choose the correct answer below. O A. 56.2 О В. 47.5 OC. 122.7 O D. not meaningful
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