Professor Martinez would like to describe the amount of variation there is in his data set. Which of the following should he calculate?

A. mean

B. mode

C. range

D. median

Range

Explanation:

He should calculate range. Range is used to describe amounts of variation of a data. It is the difference between the highest value and the lowest value of a data. Range measures precision. It allow us to check the values of samples of set of data varies slightly or greatly from each other so as to be able to apply corrective and preventive measures.