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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. OB. Oc. OD. Hours stutving Hours studying studying (a) Predict the value of y for x=2. Choose the correct answer below. OA 445 OB. 58.8 OC. 41.7 OD. not meaningful (b) Predict the value of y for x=4.5. Choose the corect answer below. OA 588 OB. 41.7 OC. 113.1 OD. not meaningful

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. OB. Oc. OD. Hours stutving Hours studying studying (a) Predict the value of y for x=2. Choose the correct answer below. OA 445 OB. 58.8 OC. 41.7 OD. not meaningful (b) Predict the value of y for x=4.5. Choose the corect answer below. OA 588 OB. 41.7 OC. 113.1 OD. not meaningful

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 Test score, y (a) x = 2 hours (c) x = 14 hours (b) x = 4.5 hours (d) x = 1.5 hours 2 3 4 4 6 38 45 51 48 64 67 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. ОВ. OD. 80- 80- Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x = 2. Choose the correct answer below. O A. 44.5 О В. 58.8 OC. 41.7 O D. not meaningful (b) Predict the value of y for x = 4.5. Choose the correct answer below. O A. 58.8 О В. 41.7 OC. 113.1 O D. not meaningful (c) Predict the value of y for x = 14. Choose the correct answer below. O A. 58.8 О В. 113.1 O c. 44.5 O D. not meaningful (d) Predict the value of y for x = 1.5. Choose the correct answer below. O A. 113.1 О В. 44.5 О с. 41.7 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 = 14 hours (b) x = 4.5 hours (d) x = 1.5 hours 2 3 4 4 6 38 45 51 48 64 67 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. ОВ. OD. 80- 80- Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x = 2. Choose the correct answer below. O A. 44.5 О В. 58.8 OC. 41.7 O D. not meaningful (b) Predict the value of y for x = 4.5. Choose the correct answer below. O A. 58.8 О В. 41.7 OC. 113.1 O D. not meaningful (c) Predict the value of y for x = 14. Choose the correct answer below. O A. 58.8 О В. 113.1 O c. 44.5 O D. not meaningful (d) Predict the value of y for x = 1.5. Choose the correct answer below. O A. 113.1 О В. 44.5 О с. 41.7 O D. not meaningful
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