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

Daily expenditure ( in Rs ): | 100-150 | 150-200 | 200-250 | 250-300 | 300-350 |

Number of households: | 4 | 5 | 12 | 2 | 2 |

Find the mean daily expenditure on food by a suitable method."

Given:

The daily expenditure on the food of 25 households in a locality.To do:

We have to find the mean daily expenditure on food by a suitable method.

Solution:

Let the assumed mean be $A=225$.

Mean $=A+\frac{\sum{f_id_i}}{\sum{f_i}}$

Therefore,

Mean $=225+(\frac{-350}{25})$

$=225-14$

$=211$

The mean daily expenditure on food is Rs. 211.

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