[Solved] Claim: The standard deviation of pulse ra

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Claim: The standard deviation of pulse rates of adult males more than 12 bpm. For a random sample of 143 adult males, the pulse rates

Claim: The standard deviation of pulse rates of adult males more than

12 bpm. For a random sample of

143

adult males, the pulse rates have a standard deviation of

12.51

bpm. Find the value of the test statistic.

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