Q1 · Difficulty 1/3
A strong correlation between x and y proves:
- only association, not causation
- x causes y
- y causes x
- causation
Show answer & explanation
✓ Answer: A — only association, not causation
Correlation ≠ causation.
AP · · Statistics
Free AP Statistics
Practice Paper
8 mixed-difficulty practice questions in the style of real AP papers — answers, mark-scheme-style explanations, and the official exam structure all on one page.
Take a Mini Mock →What the real AP Statistics paper looks like
Paper 1
Objective and short-answer questions covering the breadth of the specification.
Paper 2
Structured and extended-response questions testing depth of understanding.
Total exam time varies by board and tier — typically 2.5 to 3.5 hours.
Grading: See the official board specification for the current grading scale.
Grading: See the official board specification for the current grading scale.
Mini practice paper: 8 questions
Mixed-difficulty questions from across the Statistics syllabus. Tap "Show answer" after each to check yourself.
Q2 · Difficulty 1/3
Correlation r is always between:
- −1 and 1
- −∞ and ∞
- 0 and 100
- 0 and 1
Show answer & explanation
✓ Answer: A — −1 and 1
−1 ≤ r ≤ 1.
Q3 · Difficulty 1/3
The mode of 2, 4, 4, 4, 7, 9 is:
- 5
- 7
- 9
- 4
Show answer & explanation
✓ Answer: D — 4
4 occurs most frequently.
Q4 · Difficulty 1/3
The range of 6, 11, 4, 20 is:
- 24
- 14
- 16
- 20
Show answer & explanation
✓ Answer: C — 16
Max 20 − min 4 = 16.
Q5 · Difficulty 1/3
A negative correlation means as x increases, y:
- increases
- decreases
- stays constant
- is random
Show answer & explanation
✓ Answer: B — decreases
Negative r → y decreases as x rises.
Q6 · Difficulty 1/3
The median of 3, 5, 7, 9, 11 is:
- 5
- 7
- 8
- 9
Show answer & explanation
✓ Answer: B — 7
The middle value of the ordered list is 7.
Q7 · Difficulty 1/3
A sample that uses random selection avoids:
- sampling
- variability
- bias
- the mean
Show answer & explanation
✓ Answer: C — bias
Randomization reduces bias.
Q8 · Difficulty 1/3
Correlation r can range from:
- −1 to 1
- −∞ to ∞
- 0 to 100
- 0 to 1
Show answer & explanation
✓ Answer: A — −1 to 1
−1 ≤ r ≤ 1.
Build a 30-question timed mock →
Free account · Instant marking
AP Statistics FAQ
What does the AP Statistics exam look like?
The AP Statistics exam is structured across 2 components. Paper 1: Objective and short-answer questions covering the breadth of the specification. Paper 2: Structured and extended-response questions testing depth of understanding. Total exam time varies by board and tier — typically 2.5 to 3.5 hours.
Can I download a free AP Statistics past paper?
Real AP past papers are published directly by AP on their official website. Kramizo doesn't redistribute copyrighted past papers, but we do generate free AI-written practice papers in the exact same style — same command words, same difficulty tier, same mark conventions. Use this practice paper as warm-up, then time yourself on official past papers before exam day.
How is AP Statistics graded?
See the official board specification for the current grading scale. Kramizo's practice questions are tagged with difficulty 1-3 mapping roughly to the lower, middle, and top grade boundaries you'll encounter in the real exam.