The Olympic winning mens long jump distances (in meters) from 1896 to 2008 and the fitted regression
Question:
a. Identify an observation that may influence the fit of the regression line. Why did you identify this observation?
b. Which do you think is a better prediction for the year 2012€”the sample mean of the y values in this plot or the value obtained by plugging 2012 into the fitted regression equation?
c. Would you feel comfortable using the regression line shown to predict the winning long jump for men in the year 3000? Why or why not?
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Step by Step Answer:
a The observation in the lower left of the scatterplot may influen...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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