You wish to determine whether MBA graduates who majored in finance attract higher starting salaries than MBA graduates who majored in marketing. a. Describe a data-gathering process that produces...

You wish to determine whether MBA graduates who majored in finance attract higher starting salaries than MBA graduates who majored in marketing.

a. Describe a data-gathering process that produces observational data.

b. Describe a data-gathering process that produces experimental data.

c. If observational data indicate that finance majors attract higher salaries than do marketing majors, provide two explanations for this result.