2.1 Tally Charts And Frequency Tables Worksheet Page 25
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274.
A council employee carried out a survey of customer satisfaction with
recycling facilities.
The results are shown in the bar chart.
60
50
40
30
20
10
0
a)
Write down the number of people who think the recycling facilities are good.
b)
Write down the number of people who think the recycling facilities are poor.
c)
Work out how many more people think the facilities very good than very poor.
d)
Work out an estimate of the number of people who took part in the survey.
(5)
5.
In Argentina
14% of the population are employed in Agriculture
29% are employed in Industry
57% are employed in Service Industries.
In Romania
50% of the population are employed in Agriculture
31% are employed in Industry
19% are employed in Service Industries.
a)
Draw a composite bar chart to represent these data.
b)
Give one advantage of using this type of diagram.
(4)
Total 25
59
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