Compare PMCC with Spearman's rank

A question is this type if and only if it asks to test both product moment and Spearman's rank correlation coefficients and compare results or explain which is more appropriate.

1 questions · Standard +0.3

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Edexcel S3 2004 June Q2
8 marks Standard +0.3
2. A random sample of 8 students sat examinations in Geography and Statistics. The product moment correlation coefficient between their results was 0.572 and the Spearman rank correlation coefficient was 0.655 .
  1. Test both of these values for positive correlation. Use a \(5 \%\) level of significance.
  2. Comment on your results.