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

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

Find the range and the coefficient of range of the following data.

Find out the range and the coefficient of range ,given the following data-set:

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

Find the range and coefficient of range of the following data. (i) 63,89,98,125,79,108,117,68 (ii) 43.5,13.6,18.9,38.4,61.4,29.8

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