Question

if Mean = 25, Ex = 625, how do i find N (number of observation)

Answer 1

Answer :-

As we know the formula of mean, Mean (X Bar) = Sublimation of x / n, we will put the values in this formula.

=> 25 = 625/n

=> n = 625/25

=> n = 25

So, number of observations is 25.

Answer 2

Answer:

25 is the correct answer

Step-by-step explanation:

Mean = 25, Ex = 625

N=625/25

N=25