Question

If the observations 1,2,3,...50 have the variance V1 and the observations 51, 52 ,53,...100 have the variance V2 then V1/V2 is__(a)0(b)1(c)2(d)3​

Answer 1

Answer:

hiii

Explanation:

Let x=0.

7

ˉ

So, 10x=7.

7

ˉ

x=0.

7

ˉ

On subtracting we get,

9x=7

⟹x=

9

7

=p/q

Where p=7 and q=9