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Baseball coaches use a radar gun to measure the speed of pitchers fastball. They also record ...

jus10n

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4 years ago

Baseball coaches use a radar gun to measure the speed of pitchers fastball. They also record ...

Baseball coaches use a radar gun to measure the speed of pitcher’s fastball. They also record outcomes such as hits and strikeouts. The scatterplot below shows the relationship between the average speed of a fastball and the average number of strikeouts per nine innings for each pitcher on the Bulldogs, based on the past season.

Do you think the association would be stronger or weaker if we used data from one month of the season?

Textbook

Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

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meigsfla

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4 years ago

The association would probably be weaker. This plot uses averages from an entire season. Data from a single month would have more variability.

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jus10n Author

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4 years ago

Thanks

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