draw pie chart showing a following information
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8th
Maths
Data Handling
Circle Graph
Draw a pie chart showing th...
STATISTICS
Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.
Colours
Number of people
Blue
18
Green
9
Red
6
Yellow
3
Total
36
Find the proportion of each sector. For example,
Blue is
36
18
=
2
1
; Green is
36
9
=
4
1
and so on. use this to find the corresponding angles.
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ANSWER
Proportion of Blue =
36
18
=
2
1
Central angle for Blue =
2
1
×360=180
Proportion of Green =
36
9
=
4
1
Central angle for Green =
4
1
×360=90
Proportion of Red =
36
6
=
6
1
Central angle for Red =
6
1
×360=60
Proportion of Yellow =
36
3
=
12
1
Central angle for Yellow =
12
1
×360=30
solution