CompTIA DA0-001 Exam
Data+ (Page 10 )

Updated On: 1-Feb-2026

A data analyst needs to create a data visualization that aids in understanding the cumulative impact of sequentially introduced values that are positive or negative. Which of the following data visualization methods should the analyst use?

  1. A bubble chart
  2. A waterfall chart
  3. A scatter plot
  4. A line chart

Answer(s): B



Which of the following report types is most appropriate for a high-level, year-end report requested by a Chief Executive Officer?

  1. Dynamic
  2. Recurring
  3. Ad hoc
  4. Self-service

Answer(s): B



A company’s human resources department has asked a data analyst to categorize the income of all employees into five salary bands:



Which of the following types of functions would be the most appropriate to use?

  1. Statistical
  2. Aggregate
  3. Logical
  4. Mathematical

Answer(s): B



Five dogs have the following heights in millimeters:

300, 430, 170, 470, 600

Which of the following is the standard deviation for the five dogs?

  1. 147mm
  2. 154mm
  3. 394mm
  4. 21,704mm

Answer(s): A



Which of the following is a non-parametric test?

  1. One-sample t-test
  2. Two-way ANOVA
  3. Correlation coefficient
  4. Spearman’s rank correlation

Answer(s): D



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