A clinical psychologist measures the stress reactivity scores of a group of eight participants undergoing cognitive behavioural therapy (CBT). The recorded scores are:
18,12,24,15,29,14,21,27 18, 12, 24, 15, 29, 14, 21, 27 18,12,24,15,29,14,21,27What is the median stress reactivity score for this group of participants?
181818
19.519.519.5
202020
222222
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.