Twenty-six car salespeople were sampled to see how many cars they sold in a month; the following data was obtained: 19, 27, 27, 14, 23, 17, 32, 11, 27, 31, 22, 33, 28, 26, 31, 25, 23, 31, 26, 36, 24, 28, 12, 28, 25, 20 Assuming the population standard deviation is a = 6, construct a 93% confidence interval for the mean number of cars sold per month by the population of car salespeople. I 8/2 24 Margin of Error: E We are 93% confident that, on average, car salespeople sell between and cars per month. cars