Exemplar - Calculate the mean — task. Maths CBSE Live product, Class 10 (2026-27).

Calculate the mean of the following data :

Class	\(4-7\)	\(8 -11\)	\(12-15\)	\(16-19\)
Frequency	\(6\)	\(2\)	\(9\)	\(10\)

Answer:

The mean is .

[Note: Enter the answer in to two decimal number.]

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