The emerging role of the ______ in competition policy suggests the EU is increasingly willing and able to intervene and impose conditions proposing mergers and acquisitions

A researcher is told that the average age of respondents in a survey is 49 years. She is interested in finding out if most respondents are close to 49 years or not. The measure most appropriate to answer this question is:

a. mean. b. median. c. Mode d. Standard deviation e. Range

Which of the following elements of a questionnaire is designed to apply any restrictions that exist on the desired respondents for the survey?

A) introduction B) screening C) warm-up D) body E) classification