?To test : = 15.7 versus : > 15.7, a simple random sample of size n = 25 is obtained from a population that is known to be normally distributed.
Chapter 10, Problem 10(choose chapter or problem)
To test :
= 15.7 versus
:
> 15.7, a simple random sample of size n = 25 is obtained from a population that is known to be normally distributed.
(a) If the sample standard deviation is determined to be s = 16.5, compute the test statistic.
(b) Test this hypothesis at the = 0.1 level of significance.
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