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GRE Descriptive Statistics — practice questions

Explore 5 free Descriptive Statistics questions in GRE Statistics. Open each question or exercise to read its content, reference answers and available explanation.

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Descriptive Statistics questions and exercises with answers

Showing questions 1–5 of 5.

Centre, spread or location?Read the answer and worked solution →Resistant to outliers?Read the answer and worked solution →Match each statistic to its meaningRead the answer and worked solution →True or false: describing dataRead the answer and worked solution →Complete the shape ruleRead the answer and worked solution →

Worked practice questions

Centre, spread or location?

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Items
  1. Item
    Mean
    Category
    Centre
  2. Item
    Median
    Category
    Centre
  3. Item
    Mode
    Category
    Centre
  4. Item
    Variance
    Category
    Spread
  5. Item
    Range
    Category
    Spread
  6. Item
    Std deviation
    Category
    Spread
  7. Item
    Quartiles
    Category
    Location
  8. Item
    Percentiles
    Category
    Location
Categories
  1. Item
    Centre
  2. Item
    Spread
  3. Item
    Location
Instructions
Tap a statistic, then tap the kind of measure it is.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_

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Resistant to outliers?

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Left
Outliers move it
Items
  1. Item
    The mean
    Answer
    Outliers move it
  2. Item
    The range
    Answer
    Outliers move it
  3. Item
    Std deviation
    Answer
    Outliers move it
  4. Item
    The median
    Answer
    Resistant
  5. Item
    The IQR
    Answer
    Resistant
  6. Item
    Quartiles
    Answer
    Resistant
Right
Resistant
Instructions
Swipe left if outliers move it, right if they do not.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_

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Match each statistic to its meaning

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Matching pairs
  1. Left
    Median
    Right
    The middle of the ordered data
  2. Left
    IQR
    Right
    Spread of the middle half
  3. Left
    Std deviation
    Right
    Typical distance from the mean
  4. Left
    Q1
    Right
    Middle of the lower half
  5. Left
    Percentile
    Right
    Cuts the data into 100 parts
Instructions
Tap a statistic on the left, then tap its meaning on the right.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_

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