The following table shows the ranks given by two judges to the performance of six finalists in a men's figure skating competition:

a. Calculate and interpret the Spearman rank correlation coefficient rs .
b. Specify the competing hypotheses to determine whether the Spearman rank correlation coefficient is different from zero.
c. At the 10% significance level, specify the critical value and the decision rule.
d. What is the conclusion to the test? Are the ranks significantly related?

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Skater Judge 1 Judge 2 6 4 5 4 2