Question

The marks obtained by 25 students in a class test of 100 marks is given below :

80, 60, 40, 70, 75, 80, 90, 100, 60, 70, 60, 70, 85, 65, 70, 70, 85, 60, 65, 80, 60, 70, 80, 70, 60.

Find the range of data given​

Answer 1

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