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About 12 results
  • https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.04%3A_Central_Tendency_and_Variability
    The page explains the concepts of central tendency and variability, key statistical measures that summarize and describe datasets. Central tendency includes mean, median, and mode, while variability i...The page explains the concepts of central tendency and variability, key statistical measures that summarize and describe datasets. Central tendency includes mean, median, and mode, while variability includes variance and standard deviation. The page also provides a guide on using R to compute these measures using the Gapminder dataset, showcasing steps to load and manipulate the data, and calculate these statistics.
  • 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.
  • 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?
  • 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!
  • 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?
  • 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!
  • 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.
  • 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.
  • https://stats.libretexts.org/Bookshelves/Applied_Statistics/An_Introduction_to_Psychological_Statistics_(Foster_et_al.)/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.
  • https://stats.libretexts.org/Courses/Sacramento_City_Colllege/PSYC_330%3A_Statistics_for_the_Behavioral_Sciences_with_Dr._DeSouza/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.
  • https://stats.libretexts.org/Bookshelves/Introductory_Statistics/Statistics_Through_an_Equity_Lens_(Anthony)/01%3A_Chapters/1.02%3A_Descriptive_Statistics
    This chapter focuses on the foundational role of descriptive statistics in data-equity projects, emphasizing the need to collect and understand data to address specific issues. Descriptive statistics ...This chapter focuses on the foundational role of descriptive statistics in data-equity projects, emphasizing the need to collect and understand data to address specific issues. Descriptive statistics involve organizing, describing, and summarizing data using various statistical methods such as measures of central tendency, variability, and distribution shapes. The chapter also highlights the significance of data disaggregation to uncover equity gaps.

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