(Score for Question 1: of 5 points) 1. The average commute times for employees of a large company is 22 minutes. The commute employees are 20, 33, 27, 35, 18, 29, 40, 22, 18, 55, 13, and 14. a) Determine the sample mean and the population mean. b) What is the estimated margin of error of the sample population, using standard deviation a) Sample mean: 26 minutes/ population mean:22 minutes b) PLEASE EXPLAIN ​