Free SAT Command of Evidence (Quantitative) practice questionsdigital SAT, 2026 format
A short text plus a table or graph. You pick the choice that uses the data correctly to complete a statement — reading axes, units, and the one comparison the sentence needs.
Answer each question, then read why the right answer is right and why the tempting one is wrong.
Question 1
Reading and Writing
Median commute time by mode of transportation, City of Rennford, 2023
Mode | Median one-way commute (minutes) | Share of commuters
Drive alone | 24 | 61%
Public transit | 41 | 18%
Bicycle | 19 | 6%
Walk | 14 | 9%
Work from home | 0 | 6%
A city planner argued that expanding bicycle infrastructure could shorten commutes for many residents, noting that in Rennford ______
Which choice most effectively uses data from the table to complete the statement?
Question 2
Reading and Writing
Results of a trial comparing two treatments for chronic lower back pain
Group | Participants | Reporting reduced pain at 12 weeks | Reporting reduced pain at 52 weeks
Supervised exercise | 142 | 61% | 58%
Standard care (medication) | 139 | 55% | 37%
The study's authors claim that supervised exercise offers a more durable benefit than standard care.
Which choice most effectively uses data from the table to support the claim?
Question 3
Reading and Writing
Gardeners often cover the soil around plants with mulch, a layer of material that slows evaporation and blocks the sunlight weeds need to sprout. A team of horticulturists compared garden beds covered with two organic mulches, straw and wood chips, and with black plastic, along with beds left uncovered. Because organic mulches break down and enrich the soil, the team focused on choosing between straw and wood chips, and concluded that the choice involves a trade-off: ______
| Mulch | Soil moisture (%) | Weeds per square meter |
|---|---|---|
| None | 14 | 38 |
| Straw | 22 | 12 |
| Wood chips | 20 | 9 |
| Black plastic | 25 | 3 |
Which choice most effectively uses data from the table to complete the statement?
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