Answer:
The variance is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 21
The sum of squares is 
Generally the variance is mathematically represented as

substituting values


Y=<span><span>−<span>3x</span></span>−<span>2
</span></span>-3x=y+2 (keep, change, flip)
so....
-3x-2 :) Hope I helped!
Answer:
56.779 or 56.782 56.778, etc, because it has to be 8 in the hundreths thousandths less than 5 or 7 in the hundreths thousandths greater than 5
Answer:
I cant see the entire question
Step-by-step explanation:
Divide 4/2 so you get 2= n over 4 then multiply 2 by 4 and then multiply n over 4 by 4 you’ll get 4*2=n, multiply 4 and 2.
n=8