When data has been grouped, the average value cannot be found exactly as the individual values in each class are not known. Module 2 (M2) - Handling data - Scatter graphs Scatter graphs are a good way ...
NCERT Books for Class 7: This article presents you the NCERT Books of all major subjects of Class 7. We have provided here the latest edition of the NCERT Books for Class 7 Maths, Science, Social ...
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