A  pie chart is to be drawn for representing the following data

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

Answers (1)

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.

-

Total number of families = 1000

So angle made by each = 360°/1000

So angle made by food and clothing = \frac{360^{\circ}}{1000} \times 400 = 144^{\circ}

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