A Student Was Studying the Political Party Preferences of a University's

question 39

Multiple Choice

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 other party. The best way to illustrate the frequencies for each political preference is a:

• A) Bar chart.
• B) Pie chart.
• C) Histogram.
• D) Frequency polygon.

---

Definitions:

Random Variable

An entity whose outcomes are numerical and stem from a random process.

Discrete Random Variable

A discrete random variable is one that takes on countable values, often resulting from outcomes of a statistical experiment.

Discrete Random Variable

A type of random variable that can take on a countable number of distinct and separate values.

Weighted Average

An average that attributes different weights to elements in the dataset, reflecting their varying levels of importance or frequency.