Question

The following numbers are given as $61,62,63,61,63,64,64,60,65,63,64,65,66,64$. The difference between their mean and median is

• A. $0.4$
• B. $0.3$
• C. $0.2$
• D. $0.1$

Answer 1

Answer: (B)

$0.3$

Terms are: $61,62,63,61,63,64,64,60,65,63,64,65,66,64$.
Arranging them in ascending order: $60,61,61,62,63,63,63,64,64,64,64,65,65,66$.
The number of terms in the data are 14. Median will be the mean of 7th and 8th obervation
Median = $\frac{63+64}{2}=63.5$
Mean= $\frac{Sum}{n}$= $\frac{885}{14}=63.2$
Median - Mean $=63.5=63.2=0.3$