If the total number of observations is 20,\sumx_i=1000 and \sumx_i^2=84000,then what is the variance of the distrubtion ? [NDA I 2016]

NDA Math Statistics

Question : 69 of 100

Marks: +1, -0

If the total number of observations is 20,∑xi=1000 and ∑xi2=84000,then what is the variance of the distrubtion ?

[NDA I 2016]

Go to Question:

Prev Question

Next Question