Essay
County Agricultural
A county agricultural analyst took a sample of average annual precipitation for 50 cities.He wanted to test the null hypothesis that the average annual rainfall was at most 31.0 inches against the alternative that it was greater than 31.0 inches.Assume that the sample standard deviation was 13.76,and the sample mean was 34.74.Perform the appropriate test for the county analyst at the 0.05 level.
-What is the decision rule?
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