ek. che line of best fit is y=-0.4x+ 6.92. ent Time spent -x exercising, y s) (in hours) 10- 6.58 8. Time spent

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
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AA
www-awu.aleks.com
XA ALEKS - Emily Men...
S Module 8 Quiz Prac...
tivs Outline Planning G...
flvs Session Ca
O MODULE 10: INTERPRETING CATEGORICAL AND QUANTITATIVE DATA
Computing residuals
0/5
The table and scatter plot show the time spent texting, x, and the time spent exercising, y, by each of 10
students last week.
The equation of the line of best fit is y=-0.4x+ 6.92.
Time spent Time spent
texting, x exercising, y
(in hours)
10-
(in hours)
2.0
6.58
8-
Time spent
exercising
2.3
5.53
74
64
2.8
7.03
(in hours )
3.4
5.23
4.0
4.50
4.5
4.30
5.1
5.44
5.4
5.96
Time spent texting
5.5
3.31
(in haurs )
6.0
5.50
Use the equation of the line of best fit to fill in the blanks below.
Give exact answers, not rounded approximations.
Observed time spent Predicted time spent
exercising
(in hours)
Time spent texting
Residual
exercising
(in hours)
(in hours)
(in hours)
4.0
6.0
Transcribed Image Text:AA www-awu.aleks.com XA ALEKS - Emily Men... S Module 8 Quiz Prac... tivs Outline Planning G... flvs Session Ca O MODULE 10: INTERPRETING CATEGORICAL AND QUANTITATIVE DATA Computing residuals 0/5 The table and scatter plot show the time spent texting, x, and the time spent exercising, y, by each of 10 students last week. The equation of the line of best fit is y=-0.4x+ 6.92. Time spent Time spent texting, x exercising, y (in hours) 10- (in hours) 2.0 6.58 8- Time spent exercising 2.3 5.53 74 64 2.8 7.03 (in hours ) 3.4 5.23 4.0 4.50 4.5 4.30 5.1 5.44 5.4 5.96 Time spent texting 5.5 3.31 (in haurs ) 6.0 5.50 Use the equation of the line of best fit to fill in the blanks below. Give exact answers, not rounded approximations. Observed time spent Predicted time spent exercising (in hours) Time spent texting Residual exercising (in hours) (in hours) (in hours) 4.0 6.0
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