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Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sample of 147 adult males, the pulse

Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sample of 147 adult males, the pulse rates have a standard deviation of 8.7 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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