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In a school, 46 students of 9th standard, were told to measure the lengths of the pencils in their compass-boxes in Centimetres. The data collected was as follows:

16, 15, 7, 4.5, 8.5, 5.5, 5, 6.5, 6, 10, 12, 13, 

4.5, 4.9, 16, 11, 9.2, 7.3, 11.4, 12.7, 13.9, 16, 

5.5, 9.9, 8.4, 11.4, 13.1, 15, 4.8, 10, 7.5, 8.5, 

6.5, 7.2, 4.5, 5.7, 16, 5.7, 6.9, 8.9, 9.2, 10.2, 12.3, 13.7, 14.5, 10 

By taking exclusive classes 0-5, 5-10, 10-15,…. prepare a grouped frequency distribution table.

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On preparing the table

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