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A fan index is caluclated for each of the professional

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A fan index is caluclated for each of the professional sports to give an idea of what it costs for a family to go to a game. She sampled 20 teams from 2012 NFL and found the average cost index to be $431 with a standard deviation of $76.00

A-What is the population mean? What is our best estimate?

B-Construct the 98% confidence interval for the average fan cost.

C-A larger study was done and found that the true average amount spent was $443.11. Given this, what is the sampling error of the mean?

Reference no: EM13625979

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