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The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 157 adult males, the

The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 157 adult males, the mean pulse rate is 67.6 bpm and the standard deviation is 11.1 bpm find the value of the test statistic

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