Question

Determine the mean deviation for the data value 5,3,7,8,4,9

• A. 2
• B. 4
• C. 5
• D. 3.5

Answer 1

Answer:

A. 2

Mean Deviation = {∑|x_i - x̄|}/n

x̄ = Mean = (5+3+7+8+4+9)/6

= 36/6 = 6

Xi	|Xi - x̄|
5	1
3	2
7	1
8	2
4	2
9	3
∑|xi - x̄|	12

MD = 12/6

= 2