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SAT Math skill page

SAT Data Analysis Practice

Read tables, charts, and statistics carefully so you can turn data into the exact comparison the question asks for.

Practice data analysis in DolphinPractice questions
10-16 min practice time3 questions on pageProblem-Solving and Data Analysis
Practice time10-16 min
Question bank3 questions
Best forProblem-Solving and Data Analysis

What this tests

What to know for this SAT skill

Dolphin question bank

Practice your skill

Question 1 of 3Easy
A table shows that 18 of 60 students chose biology. What percent of the students chose biology?
  1. 18%
  2. 30%
  3. 42%
  4. 60%
Show answer and solution
Correct answerB. 30%

Solution walkthrough

  1. Divide 18 by 60 to get 0.30, then convert to 30%.
Question 2 of 3Medium
The mean of 8, 10, 12, and x is 11. What is x?
  1. 10
  2. 12
  3. 14
  4. 16
Show answer and solution
Correct answerC. 14

Solution walkthrough

  1. A mean of 11 for four numbers means the total is 44.
  2. Since 8 + 10 + 12 = 30, x = 14.
Question 3 of 3Hard
A store sold 240 items in May and 300 items in June. By what percent did the number of items sold increase?
  1. 20%
  2. 25%
  3. 60%
  4. 80%
Show answer and solution
Correct answerB. 25%

Solution walkthrough

  1. The increase is 60 items.
  2. Since 60 / 240 = 0.25, the percent increase is 25%.

Avoid these traps

Common mistakes on this skill

Using the new value as the original

Percent change questions use the original value in the denominator.

Reading the wrong axis

Always check labels and units before choosing a value from a graph.

Overstating what the data proves

The SAT often includes answers that sound reasonable but are not supported by the table or graph.

Study plan

How to practice this skill in Dolphin

  1. Circle the exact quantity the question asks for.
  2. Check whether the question needs a value, difference, ratio, or percent change.
  3. Write the formula before substituting table or graph values.
  4. Reread the units in the answer choices before selecting an answer.
Practice data analysis in Dolphin

Related practice

Build the surrounding skills

SAT Sampling and Margin of Error PracticeSAT Statistical Claims PracticeSAT Conditional Probability PracticeSAT Math skill hub

Skill cluster

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FAQ

Questions about SAT Data Analysis Practice

What is data analysis on SAT Math?

It includes questions about tables, graphs, statistics, rates, percentages, and conclusions based on data.

Do I need advanced statistics for SAT data questions?

No. Most questions focus on reading data precisely and applying basics like averages, percentages, and comparisons.

How do I get faster at data questions?

Practice naming the calculation first, then pulling only the necessary numbers from the table or graph.