Question

F the formula is used to find the mean of the following sample, what is the value of n?

51, 37, 83, 44, 52, 19, 99, 7, 36,

A.12
B.10
C.9
D.11

Answer 1

The given data:

51, 37, 83, 44, 52, 19, 99, 7, 36.

It is given that, the formula to find the mean:

`\bar{X}=(1)/(n)\sum ^n_(j\mathop=0)X_j`

Here, n represents the number of observations.

Hence, the value of n is 9.

Therefore, the correct option is C.