For Exercises 17–20, perform the rank correlation test for the indicated data sets.

  1. State the hypotheses.

  2. Find the critical value and state the rejection rule.

    14-53

  3. Calculate the test statistic .
  4. State the conclusion and the interpretation.

Question 14.135

19. Use the data and test statistic from Exercise 11, level of significance , and from Exercise 15.