AP®︎ Statistics (pre-2026): Topic 8.1 Flashcards

Master key terms and definitions for Topic 8.1 of AP Statistics (pre-2026) – Introducing Statistics: Are My Results Unexpected? to help you prep for quizzes and the AP exam.

This course has been archived. The College Board updated AP Statistics for the 2026–27 school year, and the units and topics changed.
Go to the new AP® Statistics
0%
6 cards total
6 not started
0 learning
0 almost done
0 mastered
Term

P-Value

Definition

The probability, assuming the claim is true, of getting results at least as extreme as observed.

1 / 6
P-Value
Not Started

The probability, assuming the claim is true, of getting results at least as extreme as observed.

VAR-1.J
Statistically Significant Difference
Not Started

A result unlikely to occur by chance alone if the original claim were true.

VAR-1.J
Sample Size and Variability
Not Started

Larger samples produce less variability, making unusual departures from expectation easier to detect.

VAR-1.J
Law of Large Numbers
Not Started

As sample size increases, sample results tend to get closer to the true population value.

VAR-1.J
Observed and Expected Counts
Not Started

Observed counts are actual totals, and expected counts are model-predicted totals for comparison.

VAR-1.JVAR-1.J.1
Random Variation or Incorrect Claim
Not Started

A question of whether differences from expectation are due to chance or a false claim.

VAR-1.JVAR-1.J.1