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Community Data Investigation Questions

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Community Data Investigation Questions

A local youth group wants to make a useful change in the community. Use the data below to investigate what young people might need, then plan a fair way to collect better evidence. Show your reasoning in complete sentences where appropriate.

Read the data carefully

A community centre asked 24 young people, aged 11–14, how they travelled there most often. They could choose one option. The centre also asked how many minutes they usually waited for a bus on their most recent visit.

Travel method

Number of young people

Walk

Bus

Car

Bike or scooter

Interpret and investigate

Use the information on this page. Remember that a sample is only a small part of a wider group, so think about what the data can—and cannot—tell us.

1.How many people answered the travel question altogether? Show how you worked it out.

2.Which travel method was most common, and how many young people chose it?

3.What fraction of the 24 young people travelled by bus? Give your answer in simplest form.

4.Find the median waiting time for the bus. Include the unit.

5.Find the range of the bus waiting times. What does the range tell you?

6.A youth group member says, “Most young people in the whole community walk to the centre.” Is this conclusion justified by the data? Explain one reason for your answer.

7.Write a clear investigative question the youth group could use to find out how young people aged 11–14 travel to community activities across the whole area. Name the group and the variable being measured.

8.The group plans to survey people at the centre on one weekday afternoon. Give one way to make the sample more representative and one way to respect participants’ privacy or choice.

9.Draft a neutral survey question that would collect the travel-method data. Include suitable response options and avoid suggesting a preferred answer.

10.Suggest one other piece of data the group could collect to help the community centre improve access. Explain how it could help.