Farmer Max, sells grain to Germany, owns 60 acres of wheat fields. Based on the past experience, he knows that the yield from each individual acre is normally distributed with mean 120 bushels and standard deviation 12 bushels. Help Farmer Max plan for his next year crop by finding:

Question

a) the expected mean of the yields from Farmer Max's 60 acres of wheat
b) the standard deviation of the sample mean of the yields from Farmer Max's 60 acres

Answer 1

a) 120 * 60 = ?

b) Standard Error of the mean (SEm) = SD√n

Answer 2

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