6,8,9,12, 15, 18, 20, 13, 16, 6, 8, 9, 12, 18, 15, 20, 8, 6, 12, 16
Find the arithmetic mean.
Answers
Answered by
3
Answer:
the sum of observation by total no of observations
sum is equal to247
no of observations 20
mean is equal to 12 .35
Similar questions