1. Slide 1 Today you will: think about different kinds of information; think about different purposes of information; decide what information you need for a task.

2. Slide 2 Teenagers and music A researcher wants to find out whether boys or girls spend more on music CDs and audio tapes. She has 50 questionnaires to give out. To whom should she give them?

3. Slide 3 Teenagers and music A researcher wants to find out what is the most popular type of music among teenagers. He gives out questionnaires at a youth club where a local group is playing a gig. Is this a good way of choosing a sample?

4. Slide 4 Octopus or frogs’ legs? Would you rather have octopus or frogs’ legs for your lunch? Answer ‘yes’ or ‘no’.

5. Slide 5 Football or cricket? Do you consider Manchester United football club to have a better team than Lancashire County Cricket Club?

6. Slide 6 Music? What kind of music do you like?

7. Slide 7 Music? What kind of music do you like? chart music rave indie rap/reggae heavy metal

8. Slide 8 Survey of Year 7 pupils Figures are percentages of the whole sample Own a computer33% Own a mobile telephone66% Own a bicycle 8%