Sampling

Maths

Univariate data

In order to test what Arsenal fans think about their manager, a student gives an online questionnaire to 100 Arsenal fans. The student is testing his hypothesis by taking a ….

May be biased if the sample is unfair or too small

Which of the following is a potential disadvantage of a sample?

He asks people on a Friday, rather than another day or the week

He doesn't necessarily ask the same number of men and women

People who shop at Waterstones are more likely to prefer reading books

Mr Millar wants to test whether people prefer reading books to watching TV by asking 300 people outside Waterstones (a book shop chain) on a Friday morning. What is the most likely reason that this sample will be biased?

A conclusion to an experiment based on data analysis

A question that a researcher wants to answer

An unproven statement which can be tested

The decision to use primary or secondary data collection

Which of these is the correct definition of a hypothesis?

Which of these is NOT an example of a primary data source?

Which of these is a potential disadvantage of collecting primary data?

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