Question

Major League Baseball (MLB) records a pitcher’s contact percentage by dividing the number of times batters make contact with the pitches by the number of times they swing at them. The following data represent a sample of this information for three MLB pitchers during the recent season:
a. Using α = 0.05, perform a chisquare test to determine if the contact percentage differs among these three pitchers.
b. Confirm your results using pvalue.
c. Interpret the meaning of the pvalue from pvalue.


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  • CreatedJuly 28, 2015
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