Q. 64.4( 195 Votes )

# The table below shows the daily expenditure on food of 25 households in a locality

Find the mean daily expenditure on food by a suitable method

Answer :

Solving by short-cut method:

The above given data can be represented in the form of table as below:

Formula of mean is given by**where, a = assumed mean****f _{i} = frequency of the ith class**

**h = class width**

= Rs. 211

So, the mean of the data is Rs. 211

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