A study examined the economic rewards of obtaining an MBA degree. The researchers made inferences based on wage data collected for a sample of individuals who sat for a particular examination required for most MBA programs. The researchers used data from an earlier article which used random sampling of those who took the exam during a selected time period to draw conclusions about the potential economic benefits of obtaining a an MBA degree. Complete parts Bold a through Bold c below. nothing nothing nothing nothing a. For this study, describe the population of interest. A. All people who have an MBA. B. All those who took the exam during the selected time period.