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Data Interpretation and Graphs Flashcards

7 cards from real ITBS 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 line graph shows a store's sales rising from $200 on Monday to $350 on Friday. What is the total increase in sales over this period?

    Answer: $150

    The increase is $350 − $200 = $150.

  2. A pie chart shows that 40% of students chose soccer, 30% chose basketball, and 30% chose baseball. If there are 200 students total, how many chose basketball?

    Answer: 60

    30% of 200 = 0.30 × 200 = 60 students.

  3. A double bar graph compares boys' and girls' test scores. Boys averaged 78 and girls averaged 85. How much higher was the girls' average?

    Answer: 7

    85 − 78 = 7 points higher.

  4. A pictograph uses one symbol to represent 5 books. If a student has 4 symbols next to her name, how many books did she read?

    Answer: 20

    4 symbols × 5 books each = 20 books.

  5. A table shows test scores for three students: Ana=92, Ben=85, Cara=91. What is the range of their scores?

    Answer: 7

    Range = highest − lowest = 92 − 85 = 7.

  6. A bar graph shows rainfall: Jan=3 in, Feb=5 in, Mar=4 in, Apr=6 in. Which month had the most rainfall?

    Answer: April

    April had 6 inches, the highest bar on the graph.

  7. A scatter plot shows points clustered closely around a line going up from left to right. This pattern indicates:

    Answer: Positive correlation

    Points rising from left to right show a positive correlation between the two variables.