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 fest are shown below. O Hours spent studying, x Test score, y 80- 0 8 Hours studying Q 0 40 1 43 OA. 59.5 OB. 47.5 O C. 49.9 D. not meaningful 3 51 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. OA. O B. 3 48 80+ 0 Hours studying (a) Predict the value of y for x =2. Choose the correct answer below. 5 65 6 67 *** O C. 0- (a) x=2 hours (c) x = 13 hours the 0 Hours studying Q O D. Test score (b)x=2.5 hours (d) x = 4.5 hours 80- 0+ 0 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 fest are shown below. O Hours spent studying, x Test score, y 80- 0 8 Hours studying Q 0 40 1 43 OA. 59.5 OB. 47.5 O C. 49.9 D. not meaningful 3 51 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. OA. O B. 3 48 80+ 0 Hours studying (a) Predict the value of y for x =2. Choose the correct answer below. 5 65 6 67 *** O C. 0- (a) x=2 hours (c) x = 13 hours the 0 Hours studying Q O D. Test score (b)x=2.5 hours (d) x = 4.5 hours 80- 0+ 0 8 Hours studying
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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Plz help asap 25
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 fest are shown below.
Hours spent studying, x
Test score, y
80-
0-
0
8
Hours studying
Q
OA. 59.5
OB. 47.5
0
40
1
43
O C. 49.9
OD. not meaningful
3
51
Find the regression equation.
ý = x+CD
(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.
80
3
48
H
fest.
(a) Predict the value of y for x = 2. Choose the correct answer below.
0+
8
0
Hours studying
Q
5
65
Q
6
67
...
O C.
A
80+
#
(a) x = 2 hours
(c) x= 13 hours
0-
0
8
Hours studying
Q
O D.
(b)x=2.5 hours
(d) x = 4.5 hours
80-
HHK
HERD
0+
0
8
Hours studying
Q
C
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.
D
Hours spent studying, x
Test score, y
OA. 100.4
OB. 49.9
OC. 47.5
OD. not meaningful
0
40
(b) Predict the value of y for x = 2.5. Choose the correct answer below.
1
43
OA. 59.5
OB. 49.9
O C. 100.4
O D. not meaningful
(c) Predict the value of y for x = 13. Choose the correct answer below.
OA. 59.5
OB. 100.4
3
51
177
3
48
(d) Predict the value of y for x = 4.5. Choose the correct answer below.
5
65
6
67
...
(a) x = 2 hours
(c) x= 13 hours
(b)x=2.5 hours
(d) x = 4.5 hours
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