This task is about mean, median, and quartiles.
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Aaron measured the lengths of ten pencils. Here are his results recorded in centimetres (cm).
4.1, 6.4, 7.3, 7.8, 8.0, 12.0, 13.4, 15.2, 18.1, 20.7
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| a) |
i)
ii)
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What is the average (mean) length of the pencils? __________ cm
What is the median length of the pencils? __________ cm
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Zoe counted the number of cars that passed her school gate each minute.
Here are her results.
0, 2, 4, 4, 5, 7, 8, 11, 11, 16, 16, 19, 28
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| b) |
Work out each of these statistics for Zoe's data.
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i)
ii)
iii)
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The median = __________ cars per minute
The lower quartile = __________ cars per minute
The upper quartile = __________ cars per minute
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