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. 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 2 2 3 5 5 Test score, y 38 45 52 49 61 73 (a)x= 2 hours (b)x=4.5 hours (c)x=13 hours (d)2.5 hours 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.) (a) Predict the value of y for x=2. Choose the correct answer below. A. 62.7 B. 48.1 C. 51.1 D. not meaningful (b) Predict the value of y for x=4.5. Choose the correct answer below. A. 112.4 B. 62.7 C. 51.1 D. not meaningful (c) Predict the value of y for x=13. Choose the correct answer below. A. 48.1 B. 62.7 C. 112.4 D. not meaningful (d) Predict the value of y for x=2.5. Choose the correct answer below. A. 48.1 B. 51.1 C. 112.4 D. not meaningful

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	0	2	2	3	5	5
Test score, y	38	45	52	49	61	73

(a)x= 2 hours (b)x=4.5 hours (c)x=13 hours (d)2.5 hours

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.)

(a) Predict the value of y for

x=2.

Choose the correct answer below.

62.7

48.1

51.1

not meaningful

(b) Predict the value of y for

x=4.5.

Choose the correct answer below.

112.4

62.7

51.1

not meaningful

x=13.

Choose the correct answer below.

48.1

62.7

112.4

not meaningful

(d) Predict the value of y for

x=2.5.

Choose the correct answer below.

48.1

51.1

112.4

not meaningful

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