BY how much is the mean of 30 56 31 55 43 and 4... - JAMB Mathematics 2003 Question
BY how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median?
A
0.75
B
0.50
C
0.33
D
0.17
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Correct Option: C
(Mean = \frac{30+56+31+55+43+44}{6}=\frac{259}{6}=43.167\Median = 30,31,43,44,55,56=\frac{43+44}{2}=\frac{87}{2}=43.5\Median-mean = 43.3-43.17=0.33)
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