1. Gathering the evidence Lesson 1 – Questioning the witnesses
Me, me, me
Gathering the evidence
Lesson 1 – Questioning the witnesses

2. To be able to:
decide what data is relevant to a given line of enquiry 5c
select which data items to put in a questionnaire 5c
identify a suitable sample size 5a
identify possible sources of relevant data 5a
plan questions to use in a questionnaire c
select appropriate items to use in response boxes 6c

3. Everyone’s favourite crisps are cheese and onion
What data do you need to collect?
Is there any extra data that could make your conclusion more informed?
How much data do you need?

4. Everyone’s favourite crisps are cheese and onion Name________________
What is an appropriate question?
Everyone’s favourite crisps are cheese and onion
Name________________
Address ___________
Age_____________
Shoe size _______________
Favourite flavour of crisp_________________
Weight _________________
A neural toxin called monosodium glutamate, that is dangerous to your health, is used to flavour crisps. It should be banned.
yes no
8. How much money do you spend on crisps each week?
0 LE – 30LE LE – 50LE LE – 100LE

5. Where is an appropriate place to ask your questions?
Exercise is good for you outside a gym
McDonalds is better than KFC inside McDonalds
ECA’s are fun the students that didn’t join an ECA
Dandy Mall is easy to get to Inside Dandy Mall
the photography club has the best trips students in this club

7. Handling Data Wall