Three students, Amy, Beth and Carlos, bought the same eight books from the book shop. The manager asked Amy, Beth and Carlos to rank these eight books in increasing order
of how much they each enjoyed them.
The manager calculated the Spearman's rank correlation coefficient for the ranks given
by Amy and Beth
She got a result of 12
(d) Explain how you know that this result is not correct.
The manager also calculated the Spearman's rank correlation coefficient for the ranks
given by Beth and Carlos.
She got a result of 0.74
What type of correlation is shown by this result?
(1) Interpret this result.