Graphics Interpretation Flashcards

A stacked bar chart shows total project hours: Engineering=60%, Marketing=25%, Admin=15%, totaling 2,000 hours. How many hours are in Marketing?

Answer: 500

Marketing hours = 25% × 2,000 = 500 hours.

A scatter plot has a cluster of points in the lower-left and one outlier in the upper-right. What effect does including the outlier have on the correlation coefficient?

Answer: Increases it toward +1.

A single outlier in the upper-right strengthens the apparent positive correlation, pulling the coefficient closer to +1.

A bar chart compares five products' profit margins: 12%, 8%, 15%, 10%, 6%. The company discontinues the lowest-margin product. What is the new average margin for the remaining four?

Answer: 11.25%

Sum of remaining = 12 + 8 + 15 + 10 = 45; average = 45 / 4 = 11.25%.

A line graph shows two products' sales over 5 years. They intersect at Year 3. What does the intersection point represent?

Answer: Both products had equal sales in Year 3.

An intersection on a line graph means both series had the same value at that point in time.

A pie chart shows revenue by region. North America = 45%, Europe = 30%, Asia = 20%, Other = 5%. If the company targets increasing Asia to 30%, and total revenue stays at $600M, how much additional revenue is needed from Asia?

Answer: $60M

Current Asia = 20% × $600M = $120M; target = 30% × $600M = $180M; additional = $60M.

A graph shows a company's stock price over 12 months forming a U-shape. What pattern does this represent?

Answer: Initial decline followed by recovery

A U-shaped curve indicates the value fell initially and then recovered over the period shown.