EMC Proven Professional – Data Science and Big Data Analytics — Question 11

What is an appropriate data visualization to use in a presentation for an analyst audience?

Answer options

• A. Pie chart
• B. Area chart
• C. Stacked bar chart
• D. ROC curve

Correct answer: D

Explanation

The ROC curve is ideal for analysts as it effectively illustrates the trade-off between sensitivity and specificity in binary classification systems. In contrast, pie charts, area charts, and stacked bar charts are less effective for presenting detailed performance metrics typically sought by an analytical audience.