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Mathematics, 22.03.2021 22:00 hokamidat

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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

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Answers: 2

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