Question

3. a) In a continuous series, Σf = 20p + 7 and Efm = 100p + 35, find the mean (X).​

Answer 1

5

Explanation:

Σf= 20p + 7

Σfm=100p + 35

X=?

Now, X=Σfm/Σf

=100p + 35/20p + 7

=5(20p + 7)/(20p + 7) Cut the both same answer

=5