D Question 25 5 pts Whole Foods is an all-natural grocery chain and has become a superpower in the grocery store industry. Suppose that sales per square foot in the most recent fiscal year are recorded for a random sample of 5 Whole Foods supermarkets. The data (sales dollars per square foot) are as * follows: 854 858 801 892 849 a.What is the mean and standard deviation? b. Find a 95 percent confidence interval for the population mean sales dollars per square foot for all Whole Foods supermarkets during the most recent fiscal year. b. Is it reasonable to conclude that the population mean is greater than $800, the historical average for Whole Foods? Explain