12 + 90
GCF = 6
12/6 = 2
90/6 = 15
(6 * 2) + (6 * 15) =
6(2 + 15) <====
I don’t know the graph but the answer is -1!
I think A because 560×3=1,680
Answer:
standard error of the mean (S.E) = 0.06
Step-by-step explanation:
<u><em>Explanation:</em></u>-
Given sample size 'n' = 500
Given variance of the Population = 900
The standard deviation of the Population = √900 = 30
The standard error of the mean is determined by