AP®︎ Statistics (pre-2026): Topic 6.1 Flashcards

Master key terms and definitions for Topic 6.1 of AP Statistics (pre-2026) – Introducing Statistics: Why Be Normal? 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This course has been archived.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

Random Variation in Distribution Shape

Definition

Differences in sample distribution shape caused by chance rather than an underlying pattern.

1 / 6
Random Variation in Distribution Shape
Not Started

Differences in sample distribution shape caused by chance rather than an underlying pattern.

VAR-1.HVAR-1.H.1
Non-Random Variation in Distribution Shape
Not Started

Differences in sample distribution shape caused by bias, error, or real structure in the population.

VAR-1.HVAR-1.H.1
Questions Suggested by Variation in Sample Shapes
Not Started

Ask whether observed differences are due to chance or to a systematic cause.

VAR-1.H
Normal Distribution / Normal Curve
Not Started

A symmetric, bell-shaped distribution used to model many sampling distributions and probabilities.

VAR-1.H
Sampling Distribution of a Proportion
Not Started

The distribution of sample proportions from many repeated random samples of the same size.

VAR-1.H
Large Counts Condition
Not Started

For sample proportions, check that np and n(1-p) are both at least 10.

VAR-1.H