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Data Visualization and Interpretation Flashcards

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

Read the first 7 Data Visualization and Interpretation flashcards as text

  1. A bar chart shows monthly website visitors. January: 4,200; February: 3,800; March: 5,100; April: 4,700. What is the average monthly visitor count?

    Answer: 4,450

    (4,200 + 3,800 + 5,100 + 4,700) ÷ 4 = 17,800 ÷ 4 = 4,450.

  2. A line graph shows two products' sales over five years. The lines intersect in Year 3. What does the intersection point represent?

    Answer: The year when both products had equal sales

    The intersection of two lines on a graph represents the point where both quantities are equal — in this case, both products had the same sales in Year 3.

  3. A grouped bar chart compares three departments' quarterly budgets. Research's Q2 bar reaches $80,000 while Marketing's Q2 bar reaches $120,000. How much more did Marketing spend than Research in Q2?

    Answer: $40,000

    $120,000 − $80,000 = $40,000 more for Marketing than Research in Q2.

  4. A frequency distribution table shows data with a mean of 50 and a median of 65. What does this relationship between mean and median suggest?

    Answer: The distribution is negatively (left) skewed

    When the mean is lower than the median, low-value outliers pull the mean down, indicating the distribution is left (negatively) skewed.

  5. A bubble chart plots three variables: x-axis (revenue), y-axis (profit margin), and bubble size (number of employees). A small bubble positioned at high revenue and high profit margin represents what type of company?

    Answer: A high-revenue, highly profitable company with few employees

    High x (revenue) and high y (profit margin) position with a small bubble (few employees) indicates a lean, highly profitable, high-revenue company.

  6. A table displays the number of complaints per 1,000 customers for five companies. Company C has 8.4 complaints per 1,000. If Company C has 250,000 customers, how many total complaints does it have?

    Answer: 2,100

    8.4 per 1,000 × 250 (thousands of customers) = 2,100 total complaints.

  7. An area chart shows the total market size with colored bands representing each competitor's market share over time. One band is visibly widening over five years. What does this indicate?

    Answer: That competitor's market share is increasing over time

    A widening band in an area chart indicates that the corresponding competitor's portion of the total is growing — its market share is increasing.