Question: I'm really struggling with this question... any help would be appreciated. Claim: The mean pulse rate [in beats per minute] of adult males is equal

I'm really struggling with this question... any help would be appreciated.

Claim: The mean pulse rate [in beats per minute] of adult males is equal to 69 bpm. For a random sample of 151 adult males, the mean pulse rate is 68.4 bpm and the standard deviation is 11.1 bpm. Find the value of the test statistic. The value of the test statistic is _ [Round to two decimal places as needed.)

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