Question

Referring to Exercise 8.20, regard the sample of 10 sales figures (which has standard deviation 32.866) as a preliminary sample. How large a sample of sales figures is needed to make us 95 percent confident that x-bar, the sample mean sales dollars per square foot, is within a margin of error of $ 10 of μ, the population mean sales dollars per square foot for all Whole Foods supermarkets?


$1.99
Sales0
Views24
Comments0
  • CreatedMay 28, 2015
  • Files Included
Post your question
5000