Oneseason, baseball player A hit 57 home runs. During a differentseason, baseball player B hit 47 home runs. How does the performance of player A compare to the performance of playerB? The table available below shows the means and standard deviations for the number of home runs scored by all players with at least 502 plate appearances in their respective seasons. Use these to determine whose home run feat was more impressive.

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Click the icon to view the means and standard deviations for the two seasons.

Thez-score for playerA, zA=

nothing

, is

less

less

greater

greater

than thez-score for playerB, zB=

nothing

, so the feat by player

Upper B

B

Upper A

A

was more impressive.