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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 Test score 80- Hours studying OA. 49.8 0 39 G On 170 2 44 Find the regression equation. y=x+ (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. 3 50 Test score 80- (a) Predict the value of y for x=2. Choose the correct answer below. 3 48 0 Hours studying 4 65 Q 6 70 CELEB O C. Test score (a) x=2 hours (c) x = 15 hours 8 Hours studying O D. Test score 80- (b)x= 3.5 hours (d) x=2.5 hours Hours studying Q

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 Test score 80- Hours studying OA. 49.8 0 39 G On 170 2 44 Find the regression equation. y=x+ (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. 3 50 Test score 80- (a) Predict the value of y for x=2. Choose the correct answer below. 3 48 0 Hours studying 4 65 Q 6 70 CELEB O C. Test score (a) x=2 hours (c) x = 15 hours 8 Hours studying O D. Test score 80- (b)x= 3.5 hours (d) x=2.5 hours Hours studying Q

MATLAB: An Introduction with Applications
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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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 D Test score, y Test score 80- 0- E Hours studying Q 0 39 Find the regression equation. ŷ=x+ X (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. G 2 44 OB. 3 50 Test score 80- #R 0 3 48 Hours studying (a) Predict the value of y for x=2. Choose the correct answer below. OA. 49.8 OB. 47.0 OC. 55.5 OD. not meaningful (b) Predict the value of y for x=3.5 Choose the correct answer below. 4 65 Q 6 70 wwx O C. Test score 80+ (a) x=2 hours (c) x = 15 hours 8 Hours studying Q Q O D. 80- (b)x= 3.5 hours (d) x=2.5 hours 8 Hours studying
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 D Test score, y Test score 80- 0- E Hours studying Q 0 39 Find the regression equation. ŷ=x+ X (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. G 2 44 OB. 3 50 Test score 80- #R 0 3 48 Hours studying (a) Predict the value of y for x=2. Choose the correct answer below. OA. 49.8 OB. 47.0 OC. 55.5 OD. not meaningful (b) Predict the value of y for x=3.5 Choose the correct answer below. 4 65 Q 6 70 wwx O C. Test score 80+ (a) x=2 hours (c) x = 15 hours 8 Hours studying Q Q O D. 80- (b)x= 3.5 hours (d) x=2.5 hours 8 Hours studying
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 0 39 2 44 (b) Predict the value of y for x = 3.5. Choose the correct answer below. OA. 121.1 OB. 47.0 OC. 49.8 OD 3 50 OA. 49.8 OB. 55.5 O C. 121.1 OD. not meaningful (c) Predict the value of y for x = 15. Choose the correct answer below. not meaningful OA. 55.5 OB. 121.1 OC. 47.0 OD. not meaningful (d) Predict the value of y for x = 2.5. Choose the correct answer below. 3 48 4 65 6 70 (...) (a) x=2 hours (c) x = 15 hours (b) x = 3.5 hours (d) x = 2.5 hours
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 0 39 2 44 (b) Predict the value of y for x = 3.5. Choose the correct answer below. OA. 121.1 OB. 47.0 OC. 49.8 OD 3 50 OA. 49.8 OB. 55.5 O C. 121.1 OD. not meaningful (c) Predict the value of y for x = 15. Choose the correct answer below. not meaningful OA. 55.5 OB. 121.1 OC. 47.0 OD. not meaningful (d) Predict the value of y for x = 2.5. Choose the correct answer below. 3 48 4 65 6 70 (...) (a) x=2 hours (c) x = 15 hours (b) x = 3.5 hours (d) x = 2.5 hours
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