Solution-Identify the null hypothesis and alternative

Identify the null hypothesis and alternative hypothesis

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Reference no: EM131332806

A simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse rates of men have a standard deviation greater than 10 beats per minutes. Use a 0.10 significance level to test the researcher's claim.

(a) Identify the null hypothesis and alternative hypothesis.

(b) Determine the test statistic.

(d) Is there sufficient evidence to support the researcher's claim? Explain.

Reference no: EM131332806

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Identify the null hypothesis and alternative hypothesis

Reference no: EM131332806

Reference no: EM131332806

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