Question

Draw a pie diagram to represent the following data:
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Item	Average Expenditure per week in ₹
	2009	2010
Food	644	945
Clothing	200	322
Rent	420	525
Medical	80	210
Other item	96	518
Total	1440	2520

Answer 1

Item	2009			2010
	Average Expenditure	Percentage Share	Degree of angle	Average Expenditure	Percentage Share	Degree of angle
Food	644	$\frac{644}{1440}\times 100=44.72$	$\frac{44.72}{100}\times 360=160.99$	945	$\frac{945}{2520}\times 100=37.5$	$\frac{37.5}{100}\times 360=135$
Clothing	200	$\frac{200}{1440}\times 100=13.89$	$\frac{13.89}{100}\times 360=50.01$	322	$\frac{322}{2520}\times 100=12.78$	$\frac{12.78}{100}\times 360=46.01$
Rent	420	$\frac{420}{1440}\times 100=29.17$	$\frac{29.17}{100}\times 360=105.01$	525	$\frac{525}{2520}\times 100=20.83$	$\frac{20.83}{100}\times 360=74.99$
Medical	80	$\frac{80}{1440}\times 100=5.55$	$\frac{5.55}{100}\times 360=19.98$	210	$\frac{210}{2520}\times 100=8.33$	$\frac{8.33}{100}\times 360=29.99$
Other item	96	$\frac{96}{1440}\times 100=6.67$	$\frac{6.67}{100}\times 360=24.01$	518	$\frac{518}{2520}\times 100=20.56$	$\frac{20.56}{100}\times 360=74.01$
Total	1440	100	360	2520	100	360