Calculate mean deviation and its coefficient from mean from the following data:

Calculate mean deviation and its coefficient from median from the following data:

Calculate mean deviation and its coefficient from the median of the following data:

Using medium and arithmetic mean respectively, calculate mean deviation and its coefficient from the following data:

Find out the mean deviation and its coefficient using median of the following data:

Calculate quartile deviation and its coefficient from the following data:

Find out mean deviation and its coefficient of the following data:

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

Calculate the mean deviation and coefficient of mean deviation for the following distribution:

Estimate mean deviation and its coefficient from the following data: 7,9,13,13,15,17,19,21,23

Find out the mean deviation from the median and its coefficient from the following data: