Mean By Step Deviation Method. 2 choose a and take deviations d i x i a of the values of x i. Step deviation method mean 1 apply step deviation method to find arithmetic mean of the following frequency distribution.
Step deviation method is a short cut method to find the mean of a given dataset. Where σf i x i. Let assumed mean a be 225.
Let s understand the steps of step deviation method used to find the mean of a given dataset.
2 find the mean of following frequency distribution. This video is meant for students studying in class 9 and 10 in cbse. Let assumed mean a be 225. A middle value is selected.
