Identify which of the following scatterplots contain possible outliers or observations influential for the least squares regression line. Select all that apply 100 25 - 90- 80어 70어 60- 50- 40 20 20 - 15 15- 10 10 - 20,000 40,000 60,000 80,000 100,000 120,000 15 Number of incorrect answers 10 20 30 35 40 45 50 Distance driven (mi) Age (years) Outlier Influential observation Outlier 70 24. - 50- 65- 60 - 22- 40- 55 20- 30- 50 - . .* 18- 20어 45 65 70 75 80 5.0 5.5 6.0 6.5 7.0 7.5 8.0 2.05 2.10 2.15 2,20 2.25 2.30 2.35 2.40 Daily high temperature (°F) Price of gasoline ($/gal) Hours slept Influential observation No outliers or influential observations Outlier Answer Bank Influential observation Outlier No outliers or influential observations Test score Daily low temperature (°F) Years of full-time employment Number of oil changes
Identify which of the following scatterplots contain possible outliers or observations influential for the least squares regression line. Select all that apply 100 25 - 90- 80어 70어 60- 50- 40 20 20 - 15 15- 10 10 - 20,000 40,000 60,000 80,000 100,000 120,000 15 Number of incorrect answers 10 20 30 35 40 45 50 Distance driven (mi) Age (years) Outlier Influential observation Outlier 70 24. - 50- 65- 60 - 22- 40- 55 20- 30- 50 - . .* 18- 20어 45 65 70 75 80 5.0 5.5 6.0 6.5 7.0 7.5 8.0 2.05 2.10 2.15 2,20 2.25 2.30 2.35 2.40 Daily high temperature (°F) Price of gasoline ($/gal) Hours slept Influential observation No outliers or influential observations Outlier Answer Bank Influential observation Outlier No outliers or influential observations Test score Daily low temperature (°F) Years of full-time employment Number of oil changes
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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Transcribed Image Text:Identify which of the following scatterplots contain possible outliers or observations influential for the least squares
regression line. Select all that apply
100-
90-
80-
을 70어
3 60-
50-
40-
25
20-
20
15 -
10-
5
10
15
20
25
30
35
40
45
50
20,000 40,000 60,000 80,000 100,000 120,000
Number of incorrect answers
Distance driven (mi)
Age (years)
Outlier
Influential observation
Outlier
70
24–
50-
65
60 -
22-
40-
55 -
20-.
8 30-
50 –
18-
20-
45
65
70
75
80
5.0
5.5
6.0
6.5
7.0
7.5
8.0
2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40
Daily high temperature (°F)
Price of gasoline ($/gal)
Hours slept
Influential observation
No outliers or influential observations
Outlier
Answer Bank
Influential observation
Outlier
No outliers or influential observations
Daily low temperature (°F)
Duration of commute (min)
Years of full-time employment
Number of oil changes
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