The document NCERT Exemplar - Statistics Class 10 Notes | EduRev is a part of the Class 10 Course Mathematics (Maths) Class 10.

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**Q.1. Find the mean marks of students for the following distribution:Ans. **By step deviation method

Let a = 55 and h = 10

Ans.

Construct a frequency distribution table for the data above.

Ans.

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