Q 1: The cumulative frequency upto the third class interval is 48 50 43 35

Q 2: The value of e,f,g is e = 3, f = 50, g = 40 e = 5, f = 40, g = 40 e = 3, f = 40, g = 50 e = 5, f = 50, g = 50

Q 3: Which class interval has the lowest frequency? 155  160 150  155 170  175 175  180

Q 4: The value of a,b,c,d is a = 10, b = 13, c = 15, d = 10. a = 12, b = 24, c = 30, d = 8. a = 12, b = 13, c = 35, d = 8. a = 11, b = 13, c = 35, d = 10.
