2108 Univariate - Describe A Distribution

9 Questions | Total Attempts: 113

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2108 Univariate - Describe A Distribution

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Questions and Answers
  • 1. 
             When describing a numerical distribution, there are four components we observe, regardless of whether they displayed in a box plot, a bell curve or a histogram. From the list below, select components we use to describe a distribution.
    • A. 

      Outliers

    • B. 

      Spread

    • C. 

      Range

    • D. 

      Interquartile Range

    • E. 

      Centre

    • F. 

      Skew

    • G. 

      Median

    • H. 

      Shape

    • I. 

      Standard deviation

  • 2. 
    Select the options below that might apply when describing the shape of a distribution
    • A. 

      Outliers

    • B. 

      Spread

    • C. 

      Normally distributed

    • D. 

      Interquartile range

    • E. 

      Mean

    • F. 

      Negatively skewed

    • G. 

      Median

    • H. 

      Positively skewed

    • I. 

      Standard deviation

  • 3. 
    Select the options which are always true. Outliers are :
    • A. 

      Extreme values

    • B. 

      Positively skewed

    • C. 

      Normally distributed

    • D. 

      Not used to calculate the range

    • E. 

      Outside the range

    • F. 

      Part of the range

    • G. 

      Only theoretical

  • 4. 
    If I mulitply the interquartile range by 1.5, the resulting number is :
    • A. 

      A fence, used to exclude outliers

    • B. 

      An outlier

    • C. 

      Subtracted from Q1 and Q3 to find a fence to exclude outliers

    • D. 

      Subtracted from Q1 and added to Q3 to find a fence to exclude outliers

    • E. 

      Subtracted from

    • F. 

      Always positive

    • G. 

      Half the range

    • H. 

      The same as the range

  • 5. 
    Complete this statement. Median is a measure of :
  • 6. 
    Complete this statement. Mean is a measure of :
  • 7. 
    Complete this statement. Range is a measure of :
  • 8. 
    Complete this statement. Interquartile range is a measure of :
  • 9. 
    Complete this statement. Standard Deviation range is a measure of :
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