Twenty-One Executives in a Large Corporation Were Randomly Selected for a Study

question 44

Multiple Choice

Twenty-one executives in a large corporation were randomly selected for a study in which several factors were examined to determine their effect on annual salary (expressed in $000's) . The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output: What is the effect on salary for an increase of one level of responsibility if the other variables are held constant?

• A) +$3,554
• B) -$3,554
• C) +$833
• D) +$8330

Identify appropriate statistical techniques for comparing groups or treatments.

Interpret the results and p-values from statistical tests to make informed decisions.

Recognize the use and implications of non-parametric tests, such as the Kruskal-Wallis and Friedman tests.

Apply statistical analysis to real-world scenarios, such as TV show ratings, advertisement efficiency, song ratings, and demographic studies.

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