Determine mean using assumed mean method — task. Maths CBSE Live product, Class 10.

Find the mean of the children who watch TV programmes for the number of hours in the past week using the assumed mean method.

Hours	\(0 - 5\)	\(5 - 10\)	\(10 - 15\)	\(15 - 20\)	\(20 - 25\)
Number of children	4	12	15	5	9

The mean for the given data is

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3. Determine mean using assumed mean method