For Exercises follow this procedure:

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.

Shown here are the record high temperatures for Dawson Creek in British Columbia, Canada, and for Whitehorse in Yukon, Canada, for a randomly selected 12-month period. Using the Wilcoxon rank sum test at α = 0.05, do you find a difference in the record high temperatures? Use the P-value method.

Transcribed Image Text:

Dawson Creek White- horse 52 60 57 71 86 89 94 93 88 80 66 52 47 50 51 69 86 89 91 86 80 66 51 47