Question

Shortcut method.
Frequency:
5
20 - 40 40 - 60
fi
10
60 - 80 80 - 100 100 - 120
7
8 ICBSE 20041
12
all the three methods direct method, asse
The mean of the following frequency distribution is 62.8 and the sum of all the
frequencies is 50. Compute the missing frequency f, and a​

Answer 1

Answer:

CVCC CVCC CCC CVCC CVCC v