8-1
Mathematics, 09.02.2021 14:00 parisowl7900
The times taken by 18 people to complete a puzzle are shown.
Time, t minutes Frequency
8-1
0
5
7
10 < t < 20
5
20 < t < 30
7
30 < t < 40
1
Frequency
Draw a frequency polygon
for the data.
2
1
0
0
40
10 20 30
Time, t (minutes)
Answers: 1
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The times taken by 18 people to complete a puzzle are shown.
Time, t minutes Frequency
8-1
8-1
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