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AP Statistics

5A–5B Day 1 Vocab

Shared by Ashton · Oct 20, 2026 · 3 plays

Every term from scatterplots, correlation and regression lines (through 5B Day 1), both ways round, plus spotting each one in a real problem.

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32 questions across 3 sections. After every answer you’ll see why each choice is right or wrong, not just the one you picked.

Round length
Sections (none selected means all)

Sample questions

Open a question to see the answer choices and the correct answer.

Which term means the variable that measures the outcome of a study?
  1. A. Explanatory variable
  2. B. Response variable ✓
  3. C. Lurking variable
  4. D. Categorical variable

Correct answer: B. The response variable (y) measures the outcome.

Which term means the variable that may help predict or explain changes in another variable?
  1. A. Response variable
  2. B. Standardized variable
  3. C. Explanatory variable ✓
  4. D. Residual variable

Correct answer: C. The explanatory variable goes on the x-axis.

Which graph shows the relationship between two quantitative variables measured on the same individuals?
  1. A. Scatterplot ✓
  2. B. Mosaic plot
  3. C. Segmented bar chart
  4. D. Boxplot

Correct answer: A. Each individual is a point at (x, y).

Which term means "knowing the value of one variable helps predict the value of the other"?
  1. A. Standardization
  2. B. Association ✓
  3. C. Extrapolation
  4. D. Causation

Correct answer: B. That's the slides' definition of an association (Section 2A, reused in 5A).

Which feature of a scatterplot tells whether the overall pattern follows a straight line?
  1. A. Form ✓
  2. B. Strength
  3. C. Correlation
  4. D. Direction

Correct answer: A. Form is linear if the pattern follows a straight line, and nonlinear otherwise.