Question 2 Construct a frequency distribution with suitable class interval size of marks obtained by 50 students of a class are given below: 23, 50, 38, 42, 63, 75, 12, 33, 26, 39, 35, 47, 43, 52, 56, 59, 64, 77, 15, 21, 51, 54, 72, 68, 36, 65, 52, 60, 27, 34, 47, 48, 55, 58, 59, 62, 51, 48, 50, 41, 57, 65, 54, 43, 56, 44, 30, 46, 67, 53. Draw a histogram using the frequency distribution table constructed above. Question 3 Calculate the mean deviation from mean and its coefficients from the following data: Size of items 3 - 44 - 55 - 66-77-88-99 - 10 Frequency 3 7 22 60 85 328