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A simple random sample of size n = 40 is drawn from a
Chapter 6, Problem 5AYU(choose chapter or problem)
QUESTION:
A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be 108.5, and the sample standard deviation is found to be 17.9. Is the population mean greater than 100 at the \(\alpha = 0.05\) level of significance?
Questions & Answers
QUESTION:
A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be 108.5, and the sample standard deviation is found to be 17.9. Is the population mean greater than 100 at the \(\alpha = 0.05\) level of significance?
ANSWER:Step 1 of 2
Given n = 40 ,
Mean = 108.5,
standard deviation s = 17.9.
Hypothesis are given by