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Mathematics, 22.03.2021 22:00 hokamidat
Your teacher has disabled instant marking. Your marks will appear after the due date.
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The table gives information about the times taken, in minutes, by 22 students to
cycle a race.
Time (t minutes) Frequency
15
4
20
1
25
7
30
10
Work out an estimate for the mean time.
Give your answer in minutes and correct to 3 significant figures.
I
Answers: 2
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