Mathematics, 10.06.2021 15:40 emilyy4757

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 mean is 5.23 and the sample standard deviation is 0.54. Find the test statistic used to test the claim that the sample is from a population with a mean less than 5.4. t = –2.226

t = 1.636

t = 2.226

t = –1.636

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A simple random sample of 50 adults is obtained, and each person’s red blood cell count (in cells pe...

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