For Exercises use the Wilcoxon rank sum test. Assume that the samples are independent. Also perform each of these steps.

a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.

The 2010 women’s 1000-meter speed skating winning time was 1:16.56, posted by Christine Nesbitt of Canada. In preparation for the 2014 Winter Olympics in Sochi, several randomly selected students from two different universities posted the following times (rounded to the nearest second). Test the claim that there is no difference in times between universities at α = 0.05.

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UA 2:05 2:15 1:58 1:42 2:01 1:40 1:39 2:20 1:51 2:03 UB 2:10 2:06 1:35 1:48 1:38 2:00 2:15 2:14 2:27 1:48