Distributions, Center & Spread: SAT Practice Questions

84 official Distributions, Center & Spread questions (Problem Solving and Data Analysis) from the SAT Suite Question Bank. Pick any question from the list, or start with Question 1. Every question shows the answer and a full explanation, with step-by-step Desmos solutions available for most questions. It is free, and no account is needed.

Start with Question 1

What does Distributions, Center & Spread test on the SAT?

These questions describe one-variable datasets using center, spread, shape, and the effects of changing values. They include mean, median, range, interquartile range, and standard deviation.

Common question types

Calculate or compare measures of center
Analyze spread or distribution shape
Determine how adding or changing a value affects statistics

Common traps

Assuming mean and median react equally to outliers
Confusing range with interquartile range
Comparing spread without considering units or scale

Difficulty distribution

Start with the easier questions, then work toward the highest score bands.

Easy: 37
Medium: 21
Hard: 26
Extreme: 0

Start here

FoundationQuestion 4Easy SAT question IntermediateQuestion 32Medium SAT question ChallengeQuestion 82Hard SAT question

How do I improve at Distributions, Center & Spread?

1Sketch or sort the data before calculating.
2Choose resistant statistics when outliers are present.
3Reason about direction of change before doing arithmetic.

Desmos method

Enter values in a list and use functions such as mean, median, stdev, min, and max. A histogram or box plot can make changes in center and spread visible.

All 84 official questions

In the same order as the list on the left. Each one opens in practice mode.