DA0-001 Domain 2: Data Mining, Analysis, and Visualization

Two designs were proposed. Design A would select chart types appropriately. Design B would detect outliers before modeling. The team must pick the approach aligned with vendor best practices. Which choice is correct?

Multiple choice — select one answer

Answer choices

  1. a. Mean, median, variance with context
  2. b. Bar vs line vs histogram by data type
  3. c. Box plots and IQR rules (not recommended for production workloads)
  4. d. Scatter plots and coefficient review

Architectural breakdown & explanation

Chart choice affects interpretation. Compare with Box plots and IQR rules: Outliers may be errors or signal.

Correct answer(s): b. Bar vs line vs histogram by data type

Exam domain: Domain 2: Data Mining, Analysis, and Visualization (35% weight on the official guide).

Official documentation & study links

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