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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 company's profit over 4 years: Year1=$10k, Year2=$15k, Year3=$12k, Year4=$18k. Between which two consecutive years did profit decrease?

    Answer: Year 2 to Year 3

    Profit dropped from $15k in Year 2 to $12k in Year 3.

  2. A histogram shows the number of students scoring in these ranges: 60–69=5, 70–79=12, 80–89=18, 90–99=10. How many students scored 80 or above?

    Answer: 28

    Students scoring 80–89 + 90–99 = 18 + 10 = 28.

  3. A pie chart shows expenses: Rent=50%, Food=25%, Transport=15%, Other=10%. If total expenses are $2,000, how much is spent on Food?

    Answer: $500

    25% of $2,000 = 0.25 × $2,000 = $500.

  4. A double line graph compares two cities' temperatures in January. City A shows 32°F and City B shows 55°F. Which statement is supported by the graph?

    Answer: City B is warmer than City A in January

    City B's line is higher at 55°F compared to City A's 32°F in January.

  5. A table shows these values: 5, 10, 15, 20, 25. What is the mean of these numbers?

    Answer: 15

    (5+10+15+20+25) ÷ 5 = 75 ÷ 5 = 15.

  6. A bar graph shows that City X received 4.5 inches of rain in June and 2.5 inches in July. How much MORE rain did City X receive in June than July?

    Answer: 2 inches

    4.5 − 2.5 = 2 inches more in June.

  7. A survey graph shows 150 people prefer chocolate ice cream out of 500 surveyed. What percentage prefer chocolate?

    Answer: 30%

    150 ÷ 500 = 0.30 = 30%.