Question

The marks obtained by 15 students in a test (out of hundred) are given below:

81, 72, 90, 90, 80, 55, 72, 66, 69, 80, 36. 54, 62, 56 and 58

The range of data is:

Options

• 46

• 54

• 90

• 100

Answer 1

54

Explanation:

The range of a dataset is the difference between its highest and lowest observation values. In this data, the maximum mark is 90 and the minimum mark is 36, making the range 90 − 36 = 54.