True average sales of this new breakfast cereal

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Reference no: EM132399818

Find the final interval for this problem) A new breakfast cereal is to be test marketed for one month at Publix stores. The results for a sample of 16 stores indicated average sales of $1200 with a sample standard deviation of $180. 

a. What is the 88% confidence interval estimate for the true average sales of this new breakfast cereal?

b. Explain what this means.

Reference no: EM132399818

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