For the following data Set, Calculate the Range, 5 Class intervals, Frequency, Relative Frequency and Cum Frequency. Show your calculations. 33 31 40 29 45 14 70 21 53 17 39 24 31 51 44 32 16 49 17 9 21 58 38 41 32 35 47 37 59 23 35 19 35 12 29 46 65 24 29 41 A/ 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