By how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median?
- 0.75
- 0.50
-
0.33
- 0.17
The correct answer is: C
Explanation
\(Mean = \frac{30+56+31+55+43+44}{6}\\=\frac{259}{6}=43.167\\Median = 30,31,43,44,55,56\\=\frac{43+44}{2}=\frac{87}{2}=43.5\\Median-mean = 43.5-43.17=0.33\)