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Multi-Step Data Analysis and Graphs Flashcards

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

Read the first 7 Multi-Step Data Analysis and Graphs flashcards as text

  1. A table shows a company's profit margin: revenue $500K, costs $375K. What is the profit margin as a percent of revenue?

    Answer: 25%

    Profit = $125K, and $125K/$500K = 25%.

  2. A line graph shows population growing from 50,000 to 60,500 over two years at a constant annual percent rate. What is the annual growth rate?

    Answer: 10%

    50,000 × 1.1² = 50,000 × 1.21 = 60,500, so the rate is 10% per year.

  3. A bar graph shows test scores for 4 classes averaging 80, 85, 90, and 75. Each class has 20 students. What is the overall average score?

    Answer: 82.5

    With equal class sizes, the overall mean is (80+85+90+75)/4 = 330/4 = 82.5.

  4. A scatterplot shows a strong negative correlation between price and quantity sold. Which statement is best supported?

    Answer: As price increases, quantity sold tends to decrease

    A negative correlation means the two variables move in opposite directions.

  5. A cumulative frequency graph shows 60 of 80 students scored below 75. What percent of students scored 75 or above?

    Answer: 25%

    20 students (80 - 60) scored 75 or above, and 20/80 = 25%.

  6. A table shows monthly costs increasing by a fixed amount: Jan $200, Feb $230, Mar $260. At this rate, what is the cost in June?

    Answer: $350

    The cost rises $30/month, so June (5 months after Jan) = $200 + 5×$30 = $350.

  7. Two pie charts compare 2020 (total $400K) and 2025 (total $600K) spending; 'Research' was 20% in 2020 and 25% in 2025. By how many dollars did Research spending increase?

    Answer: $70K

    2020 Research = $80K, 2025 = $150K, an increase of $70K.