Question

For a frequency distribution, that assumed mean (A) is 33 and the mean of deviation is 0.56 then the mean is

Answer 1

Answer:

Let mean=150

⇒A=150

⇒ Mean=A+

∑f

∑fd

=150+

8ϕ

(−30ϕ)

=150−

4

15

=150−3.75

=146.25.

Answer 2

Answer:

ans = 12-12/5254+(23)222:2=o