The table and scatter plot show the time spent watching TV, x, and the time spent doing homework, y, by each of 11 students last week. The equation of the line of best fit is y=-0.3x+ 20.51. Time spent Time spent doing homework, y (in hours) watching TV, x 32 (in hours) 28+ 6.0 19.62 24 6.8 16.73 Time spent doing homework 20 8.3 21.04 (in hours ) 161 x x X 10.5 18.90 12 10.7 15.49 12.1 15.50 13.3 15.51 15.1 19.00 10 12 14 16 18 16.4 16.48 Time spent watching TV (in hours ) 18.1 17.50 20.5 13.30 Use the equation of the line of best fit to fill in the blanks below. Give exact answers, not rounded approximations. Time spent watching TV (in hours) Observed time spent Predicted time spent doing homework (in hours) Residual doing homework (in hours) (in hours) 15.1 18.1
The table and scatter plot show the time spent watching TV, x, and the time spent doing homework, y, by each of 11 students last week. The equation of the line of best fit is y=-0.3x+ 20.51. Time spent Time spent doing homework, y (in hours) watching TV, x 32 (in hours) 28+ 6.0 19.62 24 6.8 16.73 Time spent doing homework 20 8.3 21.04 (in hours ) 161 x x X 10.5 18.90 12 10.7 15.49 12.1 15.50 13.3 15.51 15.1 19.00 10 12 14 16 18 16.4 16.48 Time spent watching TV (in hours ) 18.1 17.50 20.5 13.30 Use the equation of the line of best fit to fill in the blanks below. Give exact answers, not rounded approximations. Time spent watching TV (in hours) Observed time spent Predicted time spent doing homework (in hours) Residual doing homework (in hours) (in hours) 15.1 18.1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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O MODULE 10o: INTERPRETING CATEGORICAL AND QUANTITATIVE DATA
Computing residuals
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The table and scatter plot show the time spent watching TV, x, and the time spent doing homework, y, by
each of 11 students last week.
The equation of the line of best fit is y=-0.3x+20.51.
Time spent Time spent
watching
TV, x
doing
homework, y
(in hours)
(in hours)
28-
6.0
19.62
24.
6.8
16.73
Time spent
20
doing homework
8.3
21.04
(in hours )
16-
10.5
18.90
12-
10.7
15.49
12.1
15.50
13.3
15.51
15.1
19.00
Time spent watching
TV
16.4
16.48
(in hours )
18.1
17.50
20.5
13.30
Use the equation of the line of best fit to fill in the blanks below.
Give exact answers, not rounded approximations.
Time spent
Observed time spent
Predicted time spent
doing homework
(in hours)
Residual
watching TV
(in hours)
doing homework
(in hours)
(in hours)
D.
15.1
18.1
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