Example 10 - Chapter 3 Class 7 Data Handling

Last updated at August 14, 2026 by

Example 10 - A mathematics teacher wants to see, whether the new

Example 10 - Chapter 3 Class 7 Data Handling - Part 2

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Example 10 A mathematics teacher wants to see, whether the new technique of teaching she applied after quarterly test was effective or not. She takes the scores of the 5 weakest children in the quarterly test (out of 25) and in the half yearly test (out of 25): Since marks are from 9 to 20 So, we make bar graph from 0 to 25 with a gap of 5

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