PSYC 210- MIDTERM + FINAL REVIEW
EXAM QUESTIONS WITH VERIFIED
ANSWERS[2026/2027]
What is a variable?
A. The way we measure an abstract construct
B. An orderly way to assign numbers to observations
C. A construct that might differ among individuals
D. Coding human behavior into discrete categories - Correct Answers -a construct that might
differ among individuals
What type of statistic allows us to make judgments about the population?
A. Random
B. Descriptive
C. Inferential
D. Intuitive - Correct Answers -C. inferential
explanation: to infer conclusions about the population with the given statistics
Variance is a(n) ______________ statistic?
A. Random
B. Descriptive
C. Inferential
D. Intuitive - Correct Answers -B. descriptive
, explanation: tells us how much data with in a sample vary with each other; the spread of the
distribution
Which of these questions could be answered with descriptive statistics alone?
A. What is the average GPA in PSYC210?
B. Do students perform better on the final relative to the midterm?
C. Does the number of hours spent studying predict midterm scores?
D. Do males and females have different GPAs? - Correct Answers -A. What is the average GPA in
PSYC210?
explanation: asking for the average/mean (center of the sample distribution); the others are
making judgements/infering
A _________________ variable has theoretically infinite values.
A. Dependent
B. Discrete
C. Ordinal
D. Continuous - Correct Answers -D. Continuous
Using letter grades (A, B, C, D, and F) to classify student performance is an example of a(n)
__________ scale.
A. Ratio
B. Continuous
C. Interval
D. Ordinal - Correct Answers -D. Ordinal
EXAM QUESTIONS WITH VERIFIED
ANSWERS[2026/2027]
What is a variable?
A. The way we measure an abstract construct
B. An orderly way to assign numbers to observations
C. A construct that might differ among individuals
D. Coding human behavior into discrete categories - Correct Answers -a construct that might
differ among individuals
What type of statistic allows us to make judgments about the population?
A. Random
B. Descriptive
C. Inferential
D. Intuitive - Correct Answers -C. inferential
explanation: to infer conclusions about the population with the given statistics
Variance is a(n) ______________ statistic?
A. Random
B. Descriptive
C. Inferential
D. Intuitive - Correct Answers -B. descriptive
, explanation: tells us how much data with in a sample vary with each other; the spread of the
distribution
Which of these questions could be answered with descriptive statistics alone?
A. What is the average GPA in PSYC210?
B. Do students perform better on the final relative to the midterm?
C. Does the number of hours spent studying predict midterm scores?
D. Do males and females have different GPAs? - Correct Answers -A. What is the average GPA in
PSYC210?
explanation: asking for the average/mean (center of the sample distribution); the others are
making judgements/infering
A _________________ variable has theoretically infinite values.
A. Dependent
B. Discrete
C. Ordinal
D. Continuous - Correct Answers -D. Continuous
Using letter grades (A, B, C, D, and F) to classify student performance is an example of a(n)
__________ scale.
A. Ratio
B. Continuous
C. Interval
D. Ordinal - Correct Answers -D. Ordinal