Free DA0-001 Exam Braindumps (page: 16)

Page 16 of 50

A cereal manufacturer wants to determine whether the sugar content of its cereal has increased over the years. Which of the following is the appropriate descriptive statistic to use?

  1. Frequency
  2. Percent change
  3. Variance
  4. Mean

Answer(s): D



The process of performing initial investigations on data to spot outliers, discover patterns, and test assumptions with statistical insight and graphical visualization is called:

  1. a t-test.
  2. a performance analysis.
  3. an exploratory data analysis.
  4. a link analysis.

Answer(s): C



Different people manually type a series of handwritten surveys into an online database. Which of the following issues will MOST likely arise with this data? (Choose two.)

  1. Data accuracy
  2. Data constraints
  3. Data attribute limitations
  4. Data bias
  5. Data consistency
  6. Data manipulation

Answer(s): A,E



Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?

  1. Systematic
  2. Simple random
  3. Convenience
  4. Stratified

Answer(s): D



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Sam commented on December 25, 2024
Are these real questions? They seem too easy to be true
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dd commented on July 04, 2023
will try this and comment again with the results
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