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Interpreting Data, Charts, and Graphs Flashcards

7 cards from real PARAPRO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. A scatter plot shows student test scores on the x-axis and hours studied on the y-axis. The data points form a pattern going from lower-left to upper-right. What does this indicate?

    Answer: A positive correlation between studying and scores

    Data points moving from lower-left to upper-right indicate a positive correlation, meaning as one variable increases, the other tends to increase as well.

  2. A pie chart shows how a school spends its budget: 40% salaries, 25% supplies, 20% maintenance, 15% technology. Which two categories together account for more than half the budget?

    Answer: Salaries and supplies

    Salaries (40%) plus supplies (25%) equals 65%, which is more than half the budget.

  3. A table shows rainfall in inches: January=2.1, February=1.8, March=3.4, April=4.2, May=3.9. What is the range of rainfall across these five months?

    Answer: 2.4 inches

    The range is the highest value minus the lowest value: 4.2 − 1.8 = 2.4 inches.

  4. A double bar graph compares boys' and girls' participation in after-school clubs across four grades. In Grade 7, the boys' bar reaches 30 and the girls' bar reaches 45. What fraction of Grade 7 participants are boys?

    Answer: 2/5

    Boys make up 30 out of 30+45=75 total participants: 30/75 = 2/5.

  5. A line graph tracks a school's library book checkouts over 6 months. The line rises steeply between October and November, then levels off through January. What can you conclude?

    Answer: The largest increase in checkouts happened between October and November

    A steep rise between two points on a line graph indicates the greatest rate of increase occurred during that period.

  6. A frequency table shows quiz scores for 20 students: Score 70–79 appears 4 times, 80–89 appears 9 times, 90–99 appears 7 times. What percentage of students scored in the 80–89 range?

    Answer: 45%

    9 out of 20 students scored in the 80–89 range: 9/20 = 0.45 = 45%.

  7. A histogram displays the distribution of ages of students in an after-school program. The tallest bar is in the 10–11 age group. What does this tell you?

    Answer: More students in the program are ages 10–11 than any other age group

    In a histogram, the tallest bar represents the most frequent category, so the 10–11 age group has the highest count.