Population vs. Sample in Research Studies
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What is the primary reason for collecting data from a sample of people from a larger population?

  • To make inferences about the population (correct)
  • To ensure that all subjects are included
  • To get random and representative data
  • To describe the data collected

    • Which field of study is concerned with describing the data that have been collected from a sample?

  • Quantitative analysis
  • Experimental design
  • Descriptive statistics (correct)
  • Inferential statistics

    • What is the ultimate goal of most studies using collected data?

  • To infer something about a larger group (correct)
  • To use random sampling techniques
  • To ensure the representativeness of the sample
  • To collect all subjects within the population

    • Why is it usually impossible to collect data on all the subjects within the population?

    <p>Due to time and resource constraints</p> Signup and view all the answers

    What concept allows researchers to make conclusions about the population based on evidence from the sample?

    <p>Inference</p> Signup and view all the answers

    Which type of variable has an unlimited possibility of values or any value could be given?

    <p>Continuous variable</p> Signup and view all the answers

    Which type of variable has two value possibilities or categories for the variable?

    <p>Dichotomous variable</p> Signup and view all the answers

    Which type of variable has two or more categories, but no way to order the values?

    <p>Nominal variable</p> Signup and view all the answers

    Which type of variable is similar to nominal but with a clear ordering of the values?

    <p>Ordinal variable</p> Signup and view all the answers

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