A developmental psychologist records the cooperation levels of 20 children during a group play task by ranking them from 1 (most cooperative) to 20 (least cooperative).
Which combination of measures of central tendency and dispersion is the most appropriate to summarize this dataset?
Mean and Standard Deviation
Median and Range
Median and Standard Deviation
Mode and Range
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.