A simple random sample of n = 26 marketing employees has been selected from those working throughout a province. The average number of working hours last week of the sample = 8.52 hours, with a sample...

A simple random sample of n = 26 marketing employees has been selected from those working throughout a province. The average number of working hours last week of the sample = 8.52 hours, with a sample standard deviation of s = 3.50 hours. What is the 98% confidence interval for the population mean?