2021
Mathematics
67ca00ce0c643c71d77dee1f
Find the mean deviation of 1, 2, 3 and 4
A.
1.0
B.
1.5
C.
2.0
D.
2.5
Correct Answer: 1.0
Explanation
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
Mean deviation = Σ|x - x| n _ x = 2.5 = (|1 - 2.5| + |2 - 2.5| + |3 - 2.5| + |4 - 2.5|)/ 4 = 4/4 = 1THIS WEEK's
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