Find the range and coefficient of range of the data, `50, 90, 120,40, 180, 200,80​`

Find out the range and coefficient of range from the following data: 6,12,30,24,45,52,40

Find out the range the coefficient of range from the following data:

Find the range and the coefficient of range of the following series : 40 , 38 , 52 , 34 , 62 , 54 , 42 , 65

Find the coefficient of range of the scores 25, 30, 22, 34, 50, 56 and 67.

Find out the range and the coefficient of range of the following series:

Calculate range and coefficient of range of the following series:

Calculate range and coefficient of range of the following series.