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Mathematics Higher Level Robert Joinson

Mathematics Higher Level Robert Joinson

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©Sumbooks2002<strong>Higher</strong> <strong>Level</strong>62. Questionnaires1. Meg is following a course in tourism. As part of the course she has to do a statistical survey.She decides to find out where most tourists in Britain come from. She thinks that the USAwill be her answer.Her home town lies more than 300 miles from London and is very historical. She carries outa survey on the main street of her town at 12:00 midday each day during the month of July.a) Will her survey be biased? Explain your answer.b) How could she improve the survey?c) Write down three questions she might ask.2. Jim lives at Ayton-on-sea. He works for the local newspaper who want to begin a regularfeature for people over the age of 60. To help decide whether the venture is worthundertaking, his editor asks him to do a survey of the over 60’s.Jim decides to place a questionnaire in the newspaper and invite people to fill it in and sendit back to him. This was the questionnaire.‘The Ayton-on-sea Observer are thinking of starting a feature for the over 60’s. If you are inthis age range we would be grateful if you would fill in the following questionnaire and sendit back to us.Would you regularly read a feature for the over 60’s? Please tick theappropriate box.YesWhat types of articles would you like included? Please list them inthe space below.Noa) What other information do you think is needed?b) Is the survey biased in any way?3. Jane believes that the life expectancy of a car is 15 years. She carries out a survey byobserving cars travelling down her high street and noting their registration number (this tellsher how old they are).a) Explain why this will only give her an idea of the life expectancy and not the full answer.b) In order to add to this data, she did a further survey by questioning people leaving asupermarket. What questions do you think she needs to ask?

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