Mini practice paper: 8 questions
Mixed-difficulty questions from across the Statistics syllabus. Tap "Show answer" after each to check yourself.
Q1 · Difficulty 1/3
A larger sample size produces a ______ standard error.
- larger
- smaller
- zero
- negative
Show answer & explanation
✓ Answer: B — smaller
SE = s/√n decreases with n.
Q2 · Difficulty 1/3
The range is calculated as:
- Q3−Q1
- max−min
- mean−median
- SD²
Show answer & explanation
✓ Answer: B — max−min
Range = max − min.
Q3 · Difficulty 1/3
The mode is the value that:
- is in the middle
- occurs most often
- is the average
- is largest
Show answer & explanation
✓ Answer: B — occurs most often
Mode = most frequent value.
Q4 · Difficulty 1/3
If P(A)=0.4, then P(not A) =
- 0.4
- 0.6
- 1.4
- 0
Show answer & explanation
✓ Answer: B — 0.6
Complement: 1 − 0.4 = 0.6.
Q5 · Difficulty 1/3
The probability of an event ranges from:
- −1 to 1
- 0 to 1
- 0 to 100
- 1 to 10
Show answer & explanation
✓ Answer: B — 0 to 1
Probabilities lie between 0 and 1.
Q6 · Difficulty 1/3
A one-sample t-interval estimates a population:
- proportion
- mean
- variance
- slope
Show answer & explanation
✓ Answer: B — mean
It estimates μ.
Q7 · Difficulty 1/3
The group receiving no active treatment is the:
- treatment group
- control group
- block
- stratum
Show answer & explanation
✓ Answer: B — control group
The control group is the baseline.
Q8 · Difficulty 1/3
The sum of all probabilities in a distribution equals:
- 0
- 0.5
- 1
- 100
Show answer & explanation
✓ Answer: C — 1
Total probability = 1.
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.