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Oak National Academy
12 questions
A sample is a ___ of the population.
Select all the biased questions.
Izzy writes the question: "How many books do you own?". What should Izzy consider when making response boxes for this question?
A food delivery company asks: In your opinion, how would you rate the speed of your delivery by our rivals?: [Satisfactory, Bad, Very bad]. What is wrong with their question?
Select all the questions that are considered to be asking for personal information.
A supermarket manager wants to find out how satisfied customers with the store. He asks customers: "Do you not find it easy to not not find what you need in this store?". Criticise their question.
Bias can be present in any ___ collected from a population and may affect the results of a statistical investigation.
Select all the open questions.
A food delivery company designs this questionnaire. How often do you get food delivered? [once or twice /often / all the time] How could their question be improved?
The owner of a café in Oakfield wants to see if they can expand to the town of Rowanwood. They ask 15 of their neighbours in Oakfield if they would use a new café. How can they improve their sample?
The owner of a café wants to find out what their customers think of their new coffee brand. What type of sample should they take?
The owner of a café in Oakfield wants to find out what their customers think of their new coffee brand. Match each type of sample to a suitable example.
