JAMB - Mathematics (2021 - No. 10)
Find the mean deviation of 1, 2, 3 and 4
1.0
1.5
2.0
2.5
คำอธิบาย
_
Mean deviation = Σ|x - x|
n
_
x = 2.5
= |1 - 2.5| + |2 - 2.5| + |3 - 2.5| + |4 - 2.5|
4
= 4/4 = 1
โฆษณา
_
Mean deviation = Σ|x - x|
n
_
x = 2.5
= |1 - 2.5| + |2 - 2.5| + |3 - 2.5| + |4 - 2.5|
4
= 4/4 = 1