Suppose You Are Analyzing Four Different Brands of Soda

question 62

Essay

Suppose you are analyzing four different brands of soda.The sodium content,in milligrams,of one can of each of these brands has a distribution with a mean of 45.2 mg and a standard deviation of 8.8600 mg.You take a random sample of 2 cans from a large supply of cans including all four brands of soda.Let be the mean of this sample.What are the mean and standard deviation of the sampling distribution of ?

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