Assignment no.1(Lessons 1 – 11)
Question 1: Marks: 2+5=7
a) In a moderately skewed distribution mean = 60 and median = 55. Find Mode?
b) Arrange the data given below in an array and construct a frequency distribution using a class interval of 5. Calculate the class- limits and class-boundaries and the starting value is 55.0
79.4, 71.6 , 95.5, 73.0, 74.2, 81.8, 90.6, 55.9, 75.2, 81.9, 68.9, 74.2, 80.7, 65.7, 67.6, 82.9, 88.1, 77.8, 69.4, 83.2, 82.7, 73.8, 64.2, 63.9, 58.3, 83.5, 70.8, 72.1, 71.6, 59.4, 77.6.
Question 2: Marks:2+6=8
a) For a set on n values of , it is known that , , find ?
b) The following are the scores made by two batsmen A and B in series of innings:
A: 28 22 46 85 9 59 175 42 11 92
B: 52 18 4 95 125 12 90 58 7 76
i) Who is better as a run getter?
ii) Who is more consistent player?
