Statistical Concepts Quiz
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Questions and Answers

Which of the following best describes the field of statistics?

  • The process of drawing conclusions from a sample
  • The study of numerical sets of data
  • The science of collecting, presenting, analyzing, and interpreting data (correct)
  • The study of categorical sets of data

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

  • A population includes every individual, while a sample includes only a few individuals
  • A population is the entire group, while a sample is a specific group from which data is collected (correct)
  • A population is a specific group, while a sample is the entire group from which data is collected
  • A population is randomly selected, while a sample is non-randomly selected

    • What does statistics describe when dealing with a numeric set of data?

  • Frequency, percentage, or proportion
  • Center, variability, and shape (correct)
  • Chance of being included
  • Non-random criteria

    • What is the main characteristic of non-probability sampling methods?

    <p>Individuals are selected based on non-random criteria</p> Signup and view all the answers

    What is the main characteristic of probability sampling methods?

    <p>Every member of the population has a chance of being selected</p> Signup and view all the answers

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