Test the claim that the sample comes from a population

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Systolic blood pressure results from contraction of the heart. Based on past resuts from the National Health Survey, it is claimed that women have systolic blood pressures with a mean of 130.7 and a standard deviation of 23.4. A random sample of 30 women resulted in blood pressure levels with a mean of 123.5 and standard deviation of 19.5. Use a 0.05 significance level to test the claim that the sample comes from a population with a standard deviation less than 23.4.

Reference no: EM13155635

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