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
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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