Earlier we investigated the relationship between x = payroll (in millions of dollars) and y = number

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Earlier we investigated the relationship between x = payroll (in millions of dollars) and y = number of wins for Major League Baseball teams in 2016. Here is a scatterplot of the data, along with the regression line ŷ = 60.7 + 0.139x:

110 100 90 80 70 60 - 50 50 100 150 200 250 300 Payroll ($ millions) Number of wins


a. Predict the number of wins for a team that spends $200 million on payroll.

b. Predict the number of wins for a team that spends $400 million on payroll.

c. How confident are you in each of these predictions? Explain your reasoning.

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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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