Understanding Quantitative Data Accuracy and Precision
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Questions and Answers

Which type of data measurement has a natural zero value?

  • Nominal data
  • Interval data
  • Ratio data (correct)
  • Ordinal data
  • In which type of variable do the differences between the numbers hold meaning, but the variable doesn't have a natural zero value?

  • Interval variable (correct)
  • Ratio variable
  • Ordinal variable
  • Nominal variable
  • What type of variable is used when trying to explain other variables?

  • Predictor variable
  • Dependent variable
  • Independent variable (correct)
  • Outcome variable
  • Which measure of central tendency should only be used for continuous data?

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

    If your data has an even amount of observations, what becomes the median?

    <p>The average of the two middle values</p> Signup and view all the answers

    Which term describes how close repeated measurements are to each other?

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

    What is the term for digits expressing a measurement in which only the last digit is uncertain?

    <p>Significant figures</p> Signup and view all the answers

    Which type of data has no particular measurement between the different possibilities and doesn't make sense to average them?

    <p>Nominal or categorical data</p> Signup and view all the answers

    What type of variable is one where there is a natural, meaningful way to order the possibilities but can't do anything else?

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

    What characteristic do significant figures indicate about a measuring tool used to measure a value?

    <p>The precision of the measuring tool</p> Signup and view all the answers

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