[Step-by-Step] Red Blood Cell count. A simple random sample of 50 adults is obtained , and each person's red blood cell count (in cells per microliter)
Question:
Red Blood Cell count.
A simple random sample of 50 adults is obtained , and each person's red blood cell count (in cells per microliter) is measured. The sample man is 5.23. The population standard deviation for red blood cell counts is 0.54. Use a 0.01 significant level to test the claim that the sample is from a population with a mean less than 5.4, 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?
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