Question: The average January high temperatures in degrees Fahrenheit for selected

The average January high temperatures (in degrees Fahrenheit) for selected tourist cities on different continents are listed below. Is there sufficient evidence to conclude a difference in mean temperatures for the three areas? Use the 0.05 level of significance.
If the null hypothesis is rejected, use the Scheffé test when the sample sizes are unequal to test the differences between the means, and use the Tukey test when the sample sizes are equal. Perform 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, and explain where the differences in means are.
Use the traditional method of hypothesis testing unless otherwise specified.

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