Understanding Statistics in Data-driven Economy
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Questions and Answers

Which type of data has constant differences between observations with arbitrary zero points and can only be added and subtracted?

  • Ratio data
  • Nominal data
  • Interval data (correct)
  • Ordinal data

    • Which type of data involves categories that cannot be multiplied, divided, added, or subtracted?

  • Ratio data
  • Nominal data (correct)
  • Interval data
  • Ordinal data

    • What distinguishes ratio data from interval data?

  • Ratio data has a true zero point. (correct)
  • Ratio data lacks constant differences between observations.
  • Ratio data has arbitrary zero points.
  • Ratio data can only be ordered.

    • Which type of data involves values that can be compared in terms of order but cannot be added or subtracted?

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

    Which type of data does not have a true zero point and allows negative numbers?

    <p>Interval data</p> Signup and view all the answers

    What is the primary focus of a pie chart?

    <p>Depicting proportions, ratios, shares, percentages</p> Signup and view all the answers

    Which type of chart should NOT be used for displaying frequency distribution?

    <p>Pie chart</p> Signup and view all the answers

    In a frequency distribution, what does the frequency represent?

    <p>The number of observations in each class</p> Signup and view all the answers

    What is the purpose of a donut plot in data visualization?

    <p>Depicting proportions and percentages</p> Signup and view all the answers

    How do you calculate the midpoint in a frequency distribution?

    <p>(Lower limit + Upper limit) / 2</p> Signup and view all the answers

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