Astudent was studying the political party preferences of a university's student population. the survey instrument asked students to identify their political preference—for example, democrat, republican, libertarian, or another party. the best way to illustrate the relative frequency distribution is a

A student was studying the political party preferences of a university's student population. The survey instrument asked students to identify their political preference—for example, democrat, republican, libertarian, or another party. The best way to illustrate the relative frequency distribution is a percentage or a proportion.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.