The table below shows the daily expenditure on food of 25 households in a locality : Daily expenditure (in ₹) :…

CBSE Class 10 Maths PYQ · Statistics · Find Mean, median, mode · 3 Marks · July 2024 · Standard

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343 Marks · July 2024 · Standard

The table below shows the daily expenditure on food of $25$ households in a locality :
Daily expenditure (in ₹) : $200-250$ $250-300$ $300-350$ $350-400$ $400-450$
Number of households : $4$ $5$ $12$ $2$ $2$
Find the mean daily expenditure on food.

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Sol.
Correct table
Mean = $325 + \frac{(-7)}{25} \times 50$
= $311$
Therefore, the mean daily expenditure on food is ₹311.