Question

The table below shows the daily expenditure on food of
30 households in a locality.
Daily expenditure
(in rupees)
100-150 150-200 200-250 250-300 300-350
Number of households
5
6
13
3
3
Find the mean daily expenditure on food by a suitable method.​

Answer 1

Answer:

213.33

Step-by-step explanation:

First u need to find the class mark (xi) which is as follow:-

• 125
• 175
• 225
• 275
• 325

Then, ui which is as follow:-

• -2
• -1
• 0
• 1
• 2

Then, sigma(fiui)

• -10
• -6
• 0
• 3
• 6

Sigma(fiui) = (-7)

For further proper and complete explanation refer the picture given.

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