A sports psychologist records the finishing positions (1st, 2nd, 3rd, etc.) of 30 marathon runners, alongside their primary motivation for running, classified into categories: 'fitness', 'charity', or 'competition'.
Which of the following correctly identifies the level of measurement of the motivation data and the most appropriate measure of central tendency to summarise the finishing positions?
Motivation data is nominal; finishing positions should be summarised using the median.
Motivation data is nominal; finishing positions should be summarised using the mean.
Motivation data is ordinal; finishing positions should be summarised using the median.
Motivation data is ordinal; finishing positions should be summarised using the mode.
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.