Determine the mean using direct method — task. Maths CBSE Live product, Class 10 (2026-27).

Class	\(0 - 10\)	\(10 - 20\)	\(20 - 30\)	\(30 - 40\)
Frequency	10	6	9	3

The mean of the given data is

16.79
15.79
18.79
17.79

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