Mathematics > 2018 > 45
WASSCE
Find the mean deviation of 20, 30, 25, 40, 35, 50, 45, 40, 20 and 45.
A.
8
B.
9
C.
10
D.
12
Answer: B
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.
09037778195