Test Your Knowledge on Variables and Measures in Statistics
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Questions and Answers

Which type of variable is categorical and can take on only a limited number of values?

  • Nominal variable (correct)
  • Continuous variable
  • Ordinal variable
  • Discrete variable

    • What is the difference between a sample and a population in statistics?

  • A sample represents the entire population, while a population represents a specific subset.
  • A sample is a complete set of observations, while a population is a partial set of observations.
  • A sample is a subset of a population, while a population is a subset of a sample. (correct)
  • A sample includes all possible observations, while a population includes only a subset of the observations.

    • Which measure of central tendency is affected by extreme values in a dataset?

  • Median
  • Range
  • Mean (correct)
  • Mode

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