Hypothesis test: sample of 100
Consider the following hypothesis
test:
HO: µ ? 80
Ha: µ < 80
A sample of 100 is used and the
population standard deviation is 12. Compute the p-value and state your
conclusion for each of the following sample results. Use a = .01.
a) x = 78.5
b) x = 77
c) x = 75.5
d) x = 81
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