A simple random sample of 60 adults is obtained from a normally distributed? pop

Question

A simple random sample of 60 adults is obtained from a normally distributed? population, and each? person's red blood cell count? (in cells per? microliter) is measured. The sample mean is 5.24 and the sample standard deviation is 0.56. Use a 0.05 significance level and the given calculator display to test the claim that the sample is from a population with a mean less than 5.4 comma which is a value often used for the upper limit of the range of normal values. What do the results suggest about the sample? group?

Explanation / Answer

From the given output on the right side,

Hypotheses: Option D is correct.

Test statistic = -2.213

P value = 0.0154

Final conclusion: Option D is correct.

What result suggests about the sample group? Option D is correct.

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