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Q2: Answers – Paper 6 – November 2018
Q2: Answers – Paper 6 – November 2018
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The police record the speed of vehicles passing a speed checkpoint.
The speeds are recorded in the table below.
a) Calculate an estimate of the mean speed of the vehicles.
The police record the speed of vehicles passing a speed checkpoint.
The speeds are recorded in the table below.
a) Calculate an estimate of the mean speed of the vehicles.
There is no working for part b!
Question
2) The police record the speed of vehicles passing a speed checkpoint.
The speeds are recorded in the table below.
The speeds are recorded in the table below.
a) Calculate an estimate of the mean speed of the vehicles.
[4 marks]
b) Explain why it is not possible to use the information from this table to calculate the exact value of the mean speed.
[1 mark]