Multiple choice

The frequency table shows the time taken by different number of students of a class to complete their home work. Find the range of the given data. Time (in minute) 15 20 25 30 35 40 Frequency 7 15 17 3 14 2

  1. 15

  2. 17

  3. 19

  4. 25
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D Correct answer
Explanation

The range is the difference between the maximum and minimum values in the data set. Max time = 40, Min time = 15. Range = 40 - 15 = 25.

AI explanation

The range of a data set is defined as the difference between the highest and lowest values. The highest time taken is 40 minutes and the lowest time taken is 15 minutes. The range is calculated as 40 - 15 = 25 minutes. The result is 25.

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