Step deviation method ll finding mean ll cbse maths class 10 chapter 14 statistics

Step deviation method ll finding mean ll cbse maths class 10 chapter 14 statistics
How to Find Mean Using Step Deviation Method in Statistics (English) | NCERT 10th Class Maths
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ARITHMETIC MEAN | DIRECT | SHORT CUT | STEP DEVIATION METHODS
Calculating the Mean using Step deviation method
Statistic Mean of Grouped Data by Step deviation Method
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