Free DA0-001 Exam Braindumps (page: 15)

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Which of the following BEST describes standard deviation?

  1. A measure that is used to establish a relationship between two variables
  2. A measure of how data is distributed
  3. A measure of the amount of dispersion of a set of values
  4. A measure that is used to find the significant difference between variables

Answer(s): C



A data analyst was asked to create a chart that shows the relationship between study hours and exam scores for each student using the data sets in the table below:



Which of the following charts would BEST represent the relationship between the variables?

  1. A histogram
  2. A scatter plot
  3. A heat map
  4. A bar chart

Answer(s): B



Given the table below:



Which of the following variable types BEST describes the “Year” column?

  1. Numeric
  2. Date
  3. Alphanumeric
  4. Text

Answer(s): B



Given the following data:



Which of the following BEST describes the data set?

  1. There is data bias.
  2. The data is incomplete.
  3. The data is inconsistent.
  4. The data is outliers.

Answer(s): D






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