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Q22: Question – Paper 2 – November 2018
Q22: Question – Paper 2 – November 2018
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22)
Here is some information about 20 trains leaving a station.
22)
Here is some information about 20 trains leaving a station.
a) Work out an estimate of the mean number of minutes late.
[3 marks]
b)The station manager looks at the information in more detail.
He works out an estimate of the mean using this information. How does his estimate compare with the answer to part (a)?
Tick one box.
Tick one box.
[1 mark]