There are _______ methods to find the mean value for a grouped data.
There is a grouped data distribution for which mean is to be found by step deviation method.
A = assumed mean
B = class interval
C = sum of products of ‘u’ and frequency for each class interval
D = Total number of observations
Which of the following statements is true regarding mean(m) for the grouped distribution ?
Consider a grouped data distribution for which the mean is found by assumed mean method.
P = sum of the products of ‘d’ and frequency for each class interval
Here di=xi−A
Q = total number of observations
M = mean of given grouped data distribution
Which of the following statements is true?