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Sahay Sir > Question Answers > NCERT Class 8 > Maths > Chapter 5 - Data Handling > Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.

Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.

-12 10 –15 etc. Find the frequency of the class 20 –25. 15 16 … 17 19 2 20 21 23 25 25 is grouped in the classes 0 –5 3^2 30 40 5 5 –10 51 57 6 7) 8 9 Example 2 : The following data : 2