PSD-15 · Problem-Solving and Data Analysis

Read tables, bar graphs, line graphs, and dot plots

One-variable data · Stage 1

01 · Key idea

Read labels and scale before making the requested comparison.

Useful ruleRead the scale, labels, and requested category

02 · Worked example

A bar graph shows 12 in 2022 and 18 in 2023. How many more in 2023?

This teaching example is original and is not an official SAT question.

Reasoning

Subtract the 2022 value from the 2023 value: 18−12=6.

Answer

03 · Next step

Practice questions remain in English, as on the SAT.

PSD-15 · Read tables, bar graphs, line graphs, and dot plots