Question

from the deviation mean formula , d's are deviation from of
a)mid points of the classes
b)lower limits of the classes
c)upper limits of the classes
d)frequencies of the classes​

Answer 1

Step-by-step explanation:

To calculate mean deviation about mean for ungrouped data, start by finding the mean of your data set by adding all of the data points together and then dividing by the total number of points. Once you have the mean, calculate the deviation of each data point by subtracting the mean from each point.

Answer 2

Answer:

mid point of the classes