Question

if sum of the 20 deviations from the mean is 100, then find the mean deviation ​

Answer 1

Answer:

Given,

sum of deviations=100

no.of observations=20

mean deviations =sum of deviations/ no. of observations

=100/20

=5

Answer 2

Answer:

sum of deviations

mean=--------------------------------

no. of deviations

Step-by-step explanation:

100

--------

20

20×1=20

20×2=40

20×3=60

20×4=80

20×5=100