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 in order to determine whether the correlation coefficient is significantly 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?