Descriptive Statistics and Variability Quiz
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Questions and Answers

Which of the following is a measure of variability?

  • Standard Deviation
  • Mode
  • Frequency Distribution
  • Range (correct)

    • What is the term for the phenomenon where a majority of subjects score high on a scale?

  • Ceiling Effect (correct)
  • Standard Deviation
  • Floor Effect
  • Range

    • Which of the following is a measure of central tendency?

  • Standard Deviation
  • Range
  • Frequency Distribution
  • Mode (correct)

    • What is the term for the phenomenon where a majority of test takers fail an exam perceived as too difficult?

    <p>Floor Effect</p> Signup and view all the answers

    What is the term for the phenomenon where all students in a class receive the same grade in a subject?

    <p>Ceiling Effect</p> Signup and view all the answers

    Which of the following has the lowest variability? Sample C

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

    Which of the following is under descriptive statistics? Choose all possible answers Range Standard Deviation ______ Mode

    <p>Frequency Distribution</p> Signup and view all the answers

    Which is not true about central tendency? ______ Mean is obtained by putting in order the number so that you could determine the middle number

    <p>You are able to get the range by subtracting the lowest from highest value</p> Signup and view all the answers

    If you used .1 significance level, what is your confidence interval? ______

    <p>90%</p> Signup and view all the answers

    Monique figured out that majority of her subjects got high scores in the scale she used. What is the phenomenon called in this situation? ______

    <p>Ceiling Effect</p> Signup and view all the answers

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