An advocacy group is interested in determining if gender (1 = Female, 2 = Male) affects executive level salaries. They take a random sample of executives in three different industries: (1 = Consumer Goods, 2 = Financial, 3 = Health Care). Salary data are collected. The two-way ANOVA results appear below. 
a. Is this an experiment or observational study?
b. Are the conditions for two-way ANOVA met?
c. If so, perform the hypothesis tests and state your conclusions in terms of amount spent online, gender, and income level.
d. Is it appropriate to interpret the main effects in this case? Explain.
Definitions:
Organizational Culture
The set of shared values, beliefs, standards, and behaviors that characterize the members of an organization and define its nature.
Compensation Costs
The total amount of expenses incurred by an employer to pay its employees, including wages, benefits, and taxes.
Outbreeding
The practice of breeding animals or plants that are unrelated to increase genetic diversity, which can lead to healthier offspring.
Search Firms
Organizations specialized in recruiting candidates for specific positions, especially for higher-level or specialized jobs.
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