Home
Class 12
MATHS
Let x1,x2,......xn, bem n observations s...

Let `x_1,x_2,......x_n,` bem n observations such that `sum x_i^2=400 and sum x_i=80.` Then a possible value of `n` amongthe following is (1) `12` (2) `9` (3) `18` (4) `15`

Promotional Banner

Similar Questions

Explore conceptually related problems

let x_(1),x_(2)......x_(n) be n observations such that sum x_(i)^(2)=200 and sum x_(i)=40 then a possible value " of n among the following is (1) 4 (2) 5 (3) 6 (4) 10

Let x_(1), x_(2),….,x_(n) be n observation such that sum(x_(i))^(2)=400 and sumx_(i)=40 , then a possible value of n among the following is

Let x_(1), x_(2),…..,x_(3) be n observations such that Sigmax_(i)^(2)=300 and Sigmax_(1)=90 . Then a possible value of n among the following is

Let x_(1),x_(2),…x_(n) be n observations such that Sigmax_(i)^(2)=500 and Sigmax_(1)=100 . Then, an impossible value of n among the following is