CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics
Q. 29. The table below shows the daily expenditure on food of 30 households in a locality.
| Daily Expenditure (in Rs) | Number of households |
| 100 – 150 | 6 |
| 150 – 200 | 7 |
| 200 – 250 | 12 |
| 250 – 300 | 3 |
| 300 – 350 | 2 |
Find the mean and median daily expenditure on food. 6
Sol .
| Daily Expenditure (in Rs) | Number of fi | xi |  |
Fidi’ | c.f | |
| 100 – 150 | 6 | 125 | -2 | -12 -7 |
16 | 6 |
| 150 – 200 | 7 | 175 | -1 | 13 | ||
| 200 – 250 | 12 | 225 | 0 | 0 | 25 | |
| 250 – 300 | 3 | 275 | 1 | 3 4 |
7 | 28 |
| 300 – 350 | 2 | 325 | 2 | 30 | ||
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| Mathematics 2009 Question Papers Class X | |||||||||
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CBSE 2009 Question Papers Class X