Nine students of a class obtained following marks. Calculate mean deviation from median.

The mean deviation from median is

The mean deviation from the median is

Weight of nine students of a class is given below. Calculate mean deviation, using median and arithmetic mean of the series. Also calculate coefficient of mean deviation: Weight(kg): 47,50,58,45,53,59,47,60,49

Consider the following data:(iii)Calculate the mean deviation from the median

Given below are the marks obtained by the students of a class. Calculate mean deviation, and its coefficient, median of data:

The following table gives distribution of marks for 50 students of a clas. Calculate mean deviation from the mean and median respectively from the data:

Following are the marks obtained by 10 students of a class. Calculate standard deviation and coefficient of standard deviation.

Calulate the mean deviation from the median of the following data