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Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 158 adult males,

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Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 158 adult males, the mean pulse rate is 67.5 bpm and the standard deviation is 11.4 bpm. Find the value of the test statistic. (I) The value of the test statistic is D. (Round to two decimal places as needed.)

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