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

Two designs were proposed. Design A would apply basic statistics to samples. Design B would handle missing and dirty data. 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. Profiling, imputation, and validation rules
  3. c. GROUP BY with clear grain definitions
  4. d. Bar vs line vs histogram by data type

Architectural breakdown & explanation

Statistics support decisions. Compare with Profiling, imputation, and validation rules: Data quality affects analysis.

Correct answer(s): a. Mean, median, variance with context

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

Official documentation & study links

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