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​Q17: Question – Paper 3 – November 2018

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Content:

• Analysing Grouped Data​

Quizzes:

• Analysing Grouped Data

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Question

17) 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.

[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]​​

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