Question

For 5 observations, ∑(x – 5 ) = 0, what will be the mean?​

Answer 1

Step-by-step explanation:

Let the 5 observations be a, b, c, d, e.

sigma x=a to e(x-5)=0

a-5+b-5+c-5+d-5+e-5=0

a+b+c+d+e-25=0

a+b+c+d+e=25

Mean=(a+b+c+d+e)/5

Mean=25/5

Mean=5