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Population and Sample
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Population and Sample

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Questions and Answers

What is a population in research?

  • A specific group from which data is collected
  • The entire group that conclusions are drawn about (correct)
  • A small, accessible, and cooperative group
  • A group containing elements of anything to study

    • When is it necessary to use a sample in research?

  • When the population is small and cooperative
  • When the population is accessible and straightforward to collect data from
  • When the population consists of various elements
  • When the population is large, geographically dispersed, or difficult to contact (correct)

    • What does a sample represent in research?

  • A group containing elements of anything to study
  • A small, accessible, and cooperative group
  • The entire group that conclusions are drawn about
  • A specific group that data is collected from (correct)

    • Why is it necessary to use statistical analysis with sample data?

    <p>To make estimates or test hypotheses about population data</p> Signup and view all the answers

    When is it straightforward to collect data from a whole population?

    <p>When it is small, accessible, and cooperative</p> Signup and view all the answers

    What is the defining characteristic of probability sampling?

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

    Which sampling technique ensures that every member of the population has an equal chance of being chosen?

    <p>Simple random sample</p> Signup and view all the answers

    In systematic sampling, how are the members selected?

    <p>At regular intervals from a randomly selected starting point</p> Signup and view all the answers

    What is the primary aim of probability sampling techniques?

    <p>To produce results representative of the whole population</p> Signup and view all the answers

    Why is a simple random sample considered a valid probability sampling technique?

    <p>It gives every member of the population an equal chance of selection</p> Signup and view all the answers

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