Dlot below shows the finishing es for the Olym ny previous Olympic games. The least squares Part A: Is a commenting association. c Gold Medalist - Men's 100-m Dash

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question
1)
Please answer the questions and show your work FOR BOTH PARTS in the space provided.
The scatterplot below shows the finishing times for the Olympic gold medalist in the men's 100-meter
dash for many previous Olympic games. The least squares regression line is also shown.
Part A: Is a linear model a good fit for the data? Explain,
commenting on the strength and direction of the
association.
Olympic Gold Medalist - Men's 100-m
Dash
11
10.8
10.6
10.4
10.2
10
9.8
9.6
9.4
Part B: Refer to the equation that best fits the data.
Given that the summer Olympic games only take place
every four years, how should we expect the gold
20
40
60
80
100
120
Year (after 1900)
Finishing Time=10.878-0.0106(Years after 1900) medalist's finishing time to change from one Olympic
games to the next?
Finishing Time, in seconds
Transcribed Image Text:1) Please answer the questions and show your work FOR BOTH PARTS in the space provided. The scatterplot below shows the finishing times for the Olympic gold medalist in the men's 100-meter dash for many previous Olympic games. The least squares regression line is also shown. Part A: Is a linear model a good fit for the data? Explain, commenting on the strength and direction of the association. Olympic Gold Medalist - Men's 100-m Dash 11 10.8 10.6 10.4 10.2 10 9.8 9.6 9.4 Part B: Refer to the equation that best fits the data. Given that the summer Olympic games only take place every four years, how should we expect the gold 20 40 60 80 100 120 Year (after 1900) Finishing Time=10.878-0.0106(Years after 1900) medalist's finishing time to change from one Olympic games to the next? Finishing Time, in seconds
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