1. Seven employees who work eight-hour shifts at a call center answered the following number of calls on Monday: 52, 43, 72, 49, 68, 78, 65. Calculate the mean, median, and standard deviation. Show your work
2. From the following data set calculate the mean, median, mode. 2 5 6 7 8 4 4 3 8 8 9

Show your work for each answer.