Find the mean deviation from mean 10, 9, 4, 7, 12, 7, 15, 9, 7
Answers
Answered by
0
Step-by-step explanation:
Arthemetic mean = total of observation ÷ no of observation
=> 10+9+4+7+12+7+15+9+7 the whole divided by 9
=> 80 ÷ 9
=> 8.9
deviation = 10 - 8.9 = 1.1
9-8.9 = .1
4- 8.9 = - 4.9
and like this solve the others.
please follow and mark as brainliest
Similar questions