Five Years Ago, the Average Starting Salary of a New

question 33

Multiple Choice

Five years ago, the average starting salary of a new college graduate with a major in marketing was $34,000. A random sample of 10 graduates from this year's graduating class of a local university yielded the following starting salaries in thousands of dollars: 38, 36, 25, 37, 35, 24, 38, 45, 39, 36. The local university wants to determine if the starting salaries have increased in the last five years. Assume that the population of starting salaries in marketing is not normally distributed. Which one of the following tests is appropriate for this problem?

• A) Wilcoxon signed ranks test
• B) Wilcoxon rank sum test
• C) sign test
• D) Kruskal-Wallis test
• E) Mann-Whitney test

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Definitions:

Plus Four Estimate

A technique in estimating a binomial proportion and its confidence interval by adding four observations, two of which are successes and two are failures.

Population Proportion

The fraction or percentage of a population that exhibits a specific attribute or characteristic.

Small Bag

A compact container used for carrying personal items or goods.

Population Proportion

A measure indicative of the part of the entire population that possess a certain trait or feature.