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Data Interpretation Flashcards

7 cards from real Mettl 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 stacked bar chart shows revenue by region: North contributes 35%, South 25%, East 20%, West 20%. If East's revenue is $400K, what is the total revenue?

    Answer: $2.0M

    East = 20% = $400K, so total = $400K / 0.20 = $2.0M.

  2. A data table shows profit margins: Product X=15%, Product Y=22%, Product Z=8%. Product X sells 500 units at $200 each. What is Product X's total profit?

    Answer: $15,000

    Revenue = 500×$200 = $100,000; Profit = 15% × $100,000 = $15,000.

  3. A histogram shows employee ages in bins: 20-29 (30 employees), 30-39 (50), 40-49 (40), 50-59 (20), 60+ (10). What is the modal age group?

    Answer: 30-39

    The modal class is 30-39, which has the highest frequency of 50 employees.

  4. Two overlapping circles in a Venn diagram show: Circle A (only) = 30, Circle B (only) = 25, Overlap = 15. How many elements are in A or B (union)?

    Answer: 70

    Union = 30 + 25 + 15 = 70 (elements exclusive to A + exclusive to B + shared).

  5. A table shows call center metrics: Average Handle Time (AHT) dropped from 8 min to 6 min while customer satisfaction rose from 72% to 85%. What is the most accurate interpretation?

    Answer: AHT reduction here coincided with a satisfaction increase

    The data shows both trends occurring together; we can only state correlation, not causation.

  6. A line chart shows stock prices for 5 days: Mon=$50, Tue=$55, Wed=$52, Thu=$58, Fri=$60. What is the net percentage change from Monday to Friday?

    Answer: 20%

    Net change = ($60-$50)/$50 × 100 = 20%.

  7. A table compares two years of expenses. Year 1 total: $500K. Year 2 total: $650K. Year 2 travel expenses = $130K, which is 20% of Year 2 total. What was the percentage increase in total expenses year-over-year?

    Answer: 30%

    Increase = ($650K - $500K) / $500K × 100 = 30%.