2) The 40 monthly sales amounts of a particular product in a market are given in the table below. According to these data, make the Frequency table and for classified data a) Calculate the arithmetic...

2) The 40 monthly sales amounts of a particular product in a market are given in the table below. According to these data, make the Frequency table and for classified data a) Calculate the arithmetic mean, mode and median values. b) Find the quarter values ​​of Q1 and Qa. c) Calculate the population variance and standard deviation values. d) Calculate the coefficient of variation.

Extracted text: 65 50 61 70 67 62 53 68 31 70 47 69 61 65 42 55 45 33 70 67 58 62 51 56 77 63 64 62 46 51 83 67 72 63 45 88 57 44 69 55