One of the major oil products companies conducts a study recently to estimate the mean gallons of gasoline purchased by customers per visit to a gasoline station. To do this, random sample customers were selected with the following data being recorded that show the gallons of gasoline purchased.

8.7	22.4	9.5	13.3	18.90
22	14.4	35.7	19	24.9
5.7	15.7	8.9	22.5	15.9

Based on these sample data, construct and interpret a 95 percent confidence interval estimate for the population mean. Please explain what distribution you used to do your calculations.

Answer rating: 100% (QA)

As give that For mean Now we get S777 n15 Hence the ... View the full answer