Question

7. Find the mean of the following frequency distribution
by step - deviation method.
class :-10-25, 25-40,40-55,55-,70,70-85,85-100।
(F):-2,3,7,5,6,7 Respectively.Iss wale ques. Ka answer Dena Padega ।​

Answer 1

Step-by-step explanation:

We then use formula of the mean of the grouped frequency distribution is given as ¯x=∑fixi∑fi to find the mean of the frequency distribution. ..