Item of expenditure | number of families |
Education | 150 |
Food and clothing | 400 |
house rent | 40 |
electricity | 250 |
miscellaneous | 160 |
The value of the central angle for food and clothing would be
As learnt in
measure of location -
A measure of location or a measure of central tendency help us to know the average character of the data under study by a Single quantity.
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Total number of families = 1000
So angle made by each = 360°/1000
So angle made by food and clothing =