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 0 Test score, y 1| 2 52 4 49 5 68 (a) x = 2 hours (c) x = 13 hours (b) x = 2.5 hours (d) x = 4.5 hours 40 45 62 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. O A. O B. OC. OD. 80- 80- 80- 80- 0+ 04 Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x= 2. Choose the correct answer below. O A. 49.0 О В. 59.9 ОС. 51.2 O D. not meaningful (b) Predict the value of y for x= 2.5. Choose the correct answer below. O A. 59.9 О В. 97.0 ОС. 51.2 O D. not meaningful Testscore Testscore Testscore Testscore

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 0 Test score, y 1| 2 52 4 49 5 68 (a) x = 2 hours (c) x = 13 hours (b) x = 2.5 hours (d) x = 4.5 hours 40 45 62 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. O A. O B. OC. OD. 80- 80- 80- 80- 0+ 04 Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x= 2. Choose the correct answer below. O A. 49.0 О В. 59.9 ОС. 51.2 O D. not meaningful (b) Predict the value of y for x= 2.5. Choose the correct answer below. O A. 59.9 О В. 97.0 ОС. 51.2 O D. not meaningful Testscore Testscore Testscore Testscore

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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