A simple random sample of 59 adults is obtained from a normally distributed popu

Question

A simple random sample of 59 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 5.25 and T-Test the sample standard deviation is 0.53. Use a 0.01 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, which is a value | 5.4 often used for the upper limit of the range of normal values. What do the results suggest about the sample group? t--2.173909174 p = 0.0169032278 x = 5.25 Sx = 0.53 What are the null and alternative hypotheses? A. Ho: 5.4 H1 : #5.4 ° C. Hope 5.4 H1 : > 5.4 B. Ho :

Explanation / Answer

Ans : Option D.   

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