Frequency of Commuting Distances
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Questions and Answers

What is a numerical variable?

  • A number between zero and one
  • An inactive treatment with no real effect
  • A variable that represents a population characteristic
  • A variable that takes on values indicated by numbers (correct)

    • Which term refers to a number between zero and one that gives the likelihood of a specific event occurring?

  • Proportion
  • Placebo
  • Probability (correct)
  • Population

    • What is the characteristic of qualitative data?

  • Has an attribute indicated by a label (correct)
  • Result of measuring
  • Indicated by numbers
  • The result of counting

    • What does random assignment refer to?

    <p>Organizing experimental units into treatment groups using random methods</p> Signup and view all the answers

    Which term represents the number of successes divided by the total number in the sample?

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

    What does a placebo refer to?

    <p>An inactive treatment with no real effect on the explanatory variable</p> Signup and view all the answers

    What is a parameter?

    <p>A number used to represent a population characteristic</p> Signup and view all the answers

    What does random sampling involve?

    <p>A method of selecting a sample that gives every member of the population an equal chance of being selected</p> Signup and view all the answers

    What indicates quantitative data?

    <p>An attribute whose value is indicated by a number</p> Signup and view all the answers

    What categorizes data as discrete?

    <p>The result of counting</p> Signup and view all the answers

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