Identify the angle of deviation in the below given prism
The runs scored by a batsman in 60 innings are given below. Find the standard deviation of the runs using the assumed mean method. Runs0−2020−4040−6060−8080−100100−120No.of innings152012544
Calculate the Mean Deviation using mean and Standard Deviation for the following distribution.
Classes
Frequencies
20 – 40
3
40 – 80
6
80 – 100
20
100 – 120
12
120 – 140
9
Total
50