OCR S1 2011 June — Question 2

Exam BoardOCR
ModuleS1 (Statistics 1)
Year2011
SessionJune
TopicHypothesis test of Spearman’s rank correlation coefficien
2 The orders in which 4 contestants, \(P , Q , R\) and \(S\), were placed in two competitions are shown in the table.
Position1st2nd3rd4th
Competition 1\(Q\)\(R\)\(S\)\(P\)
Competition 2\(Q\)\(P\)\(R\)\(S\)
Calculate Spearman's rank correlation coefficient between these two orders.
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