Mean By Step Deviation Method. So mean by this method is given by steps involved in finding the meanshort cut method. Less than 0 less than 10 less than 20 less than 30 less than 40 less than 50 no.
The weighted sum of elements and. This video is meant for students studying in class 9 and 10 in cbse. Mean σf i x i σf i.
This method works on the idea of the assumption of any random value for calculation of deviation.
2 find the mean of following frequency distribution. This maths video explains how to find mean of a grouped data using step deviation method. 2 choose a and take deviations d i x i a of the values of x i. Of students 0 7 19 32 42 50.
