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Q19: Answers – Paper 5 – June 2018
Q19: Answers – Paper 5 – June 2018
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Ceri records the time taken, t minutes, to travel to school for a sample of 168 students at her Academy.
a) Draw a histogram to represent this information.
Ceri records the time taken, t minutes, to travel to school for a sample of 168 students at her Academy.
a) Draw a histogram to represent this information.
There is no working for part b!
c) Ceri also claims that 25% of all of the students at this Academy took more than 30 minutes to travel to school.
i) Show how Ceri might have worked out her claim.
c) Ceri also claims that 25% of all of the students at this Academy took more than 30 minutes to travel to school.
i) Show how Ceri might have worked out her claim.
There is no working for part c ii!
Question
19) Ceri records the time taken, t minutes, to travel to school for a sample of 168 students at her Academy.
a) Draw a histogram to represent this information.
[4 marks]
b) Ceri says
"The longest time that any of these students took to travel to school was 80 minutes."
Is she correct?
Give a reason for your answer.
Give a reason for your answer.
[1 mark]
c) Ceri also claims that 25% of all of the students at this Academy took more than 30 minutes to travel to school.
i) Show how Ceri might have worked out her claim.
[2 marks]
ii) State one assumption that Ceri has made in making her claim.
[1 mark]