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  • 3.5: Introduction to Measures of Variability
    https://stats.libretexts.org/Workbench/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Science_(Oja)_WITHOUT_UNITS/03%3A_Descriptive_Statistics/3.05%3A_Introduction_to_Measures_of_Variability
    Now, measures of how different each score is from the center.
  • 3.8: Interpreting Standard Deviations
    https://stats.libretexts.org/Workbench/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Science_(Oja)_WITHOUT_UNITS/03%3A_Descriptive_Statistics/3.08%3A_Interpreting_Standard_Deviations
    But what can standard deviations show us about a distribution of data?
  • 3.6: Introduction to Standard Deviations and Calculations
    https://stats.libretexts.org/Workbench/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Science_(Oja)_WITHOUT_UNITS/03%3A_Descriptive_Statistics/3.06%3A_Introduction_to_Standard_Deviations_and_Calculations
    What's the standard measure of variability?  Standard deviations, of course!
  • 3.8: Interpreting Standard Deviations
    https://stats.libretexts.org/Courses/Taft_College/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Sciences_(Oja)/01%3A_Description/03%3A_Descriptive_Statistics/3.08%3A_Interpreting_Standard_Deviations
    But what can standard deviations show us about a distribution of data?
  • 3.6: Introduction to Standard Deviations and Calculations
    https://stats.libretexts.org/Courses/Taft_College/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Sciences_(Oja)/01%3A_Description/03%3A_Descriptive_Statistics/3.06%3A_Introduction_to_Standard_Deviations_and_Calculations
    What's the standard measure of variability?  Standard deviations, of course!
  • 3.5: Introduction to Measures of Variability
    https://stats.libretexts.org/Courses/Taft_College/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Sciences_(Oja)/01%3A_Description/03%3A_Descriptive_Statistics/3.05%3A_Introduction_to_Measures_of_Variability
    Now, measures of how different each score is from the center.
  • 3.3: Spread and Variability
    https://stats.libretexts.org/Courses/Rio_Hondo_College/PSY_190%3A_Statistics_for_the_Behavioral_Sciences/03%3A_Measures_of_Central_Tendency_and_Spread/3.03%3A_Spread_and_Variability
    The interquartile range (IQR) is the range of the middle 50% of the scores in a distribution and is sometimes used to communicate where the bulk of the data in the distribution are located. This is a ...The interquartile range (IQR) is the range of the middle 50% of the scores in a distribution and is sometimes used to communicate where the bulk of the data in the distribution are located. This is a useful and interpretable statistic because taking the square root of the variance (recalling that variance is the average squared difference) puts the standard deviation back into the original units of the measure we used.

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