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Data analysis (tables, graphs, trends) — SSAT Upper practice questions

Data analysis (tables, graphs, trends) on the SSAT Upper Quantitative (Math) section asks students to read tables and charts, work with means and medians, and revise survey counts after a change of category. A student must find a missing list value from a stated mean, then identify the median; update notebook and binder tallies and report a fraction; and turn a pie-chart sector of one fifth of the data into a central angle. Questions are short multiple-choice items whose wrong choices often swap mean with median, skip the new total after students switch, or treat a sector fraction as an angle instead of scaling it around the circle.

  • Section: Quantitative (Math) 50 questions on the paper
  • 137 practice questions in the app

Sample questions

Question 1

The numbers 8, 11, 14, 17, and xx have a mean of 14. What is the median of the five numbers?

  1. A11
  2. B14
  3. C15
  4. D17
  5. E20
Show answer

Answer: B — 14

The total of the five numbers is 5×14=705\times14=70. The known numbers add to 50, so x=20x=20. In order, the numbers are 8,11,14,17,20, and the median is 14.

Question 2

A class survey showed 18 students chose spiral notebooks, 12 chose composition notebooks, and 10 chose binders. Then 5 students who chose composition notebooks changed their choice to binders. After the change, what fraction of the students chose binders?

  1. A14\dfrac{1}{4}
  2. B13\dfrac{1}{3}
  3. C38\dfrac{3}{8}
  4. D12\dfrac{1}{2}
  5. E58\dfrac{5}{8}
Show answer

Answer: C — 38\dfrac{3}{8}

There are 18+12+10=4018+12+10=40 students in all. After 5 students switch to binders, 15 students choose binders. The fraction is 1540=38\dfrac{15}{40}=\dfrac{3}{8}.

Question 3

In a pie chart, a sector represents 15\dfrac{1}{5} of the data. What is the measure of the central angle of the sector?

  1. A36∘36^\circ
  2. B60∘60^\circ
  3. C72∘72^\circ
  4. D90∘90^\circ
  5. E120∘120^\circ
Show answer

Answer: C — 72∘72^\circ

A full circle is 360 degrees, so one fifth is 360÷5=72360\div5=72 degrees.

Practice 137 Data analysis (tables, graphs, trends) questions in the app

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