Which inferential statistical test operates by ranking all the data from two independent groups together as a single set, summing the ranks for each group separately, and using these values to calculate the test statistic?
Wilcoxon Signed Ranks test
Spearman's Rho
Mann-Whitney U test
Chi-square
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.