POLS 209 – MIDTERM ACTUAL QUESTIONS & ANSWERS

POLS 209 – MIDTERM ACTUAL
QUESTIONS & ANSWERS

Nominal Variables (NAME) - ANSWER-Discrete categories

Not rank ordered

Party identification: Republican, Independent, Democrat (ideology could also
be a nominal variables)

Ordinal Variables (Order) - ANSWER-Discrete Categories

Rank ordered

Education Level: Primary school, High School, College (lowest level of
education to highest level)

Continuous/Interval Variables (Numbers) - ANSWER-Numerical

Infinite Number of Possible Values within a Range

Income: $100000, $25000, $95345

Anything you describe in percentages is a continuous variable (e.g. approval
ratings of the percentage)!

Dependent Variable - ANSWER-Outcome

Y-Axis in a Graph

Measure Affected

(Amount of Time Studying)

Independent Variable - ANSWER-Factor affecting the outcome

X-Axis in a Graph

What you Change/Control

(Exam Scores)

Histogram - ANSWER-A frequency distribution (how many times each range
that you see, was observed in your data) of a single continuous variable.

Bar plot - ANSWER-A frequency distribution of a nominal variable.