Descriptive Statistics
Descriptive statistics tell us the features of a dataset, such as its mean, median, mode, or standard deviation. Start sorting through your data with these tips, tools, and tutorials.

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What Is Skewness in Statistics? 
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What Are the Maximum and Minimum? 
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What Is a Range in Statistics? 
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How to Classify the Kurtosis of Distributions 
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The Slope of the Regression Line and the Correlation Coefficient 
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What Is the Interquartile Range Rule? 
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What Are Moments in Statistics? 
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What Is a TwoWay Table of Categorical Variables? 
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What Is the Midhinge? 
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The Difference Between Descriptive and Inferential Statistics 
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Empirical Relationship Between the Mean, Median, and Mode 
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What Are Time Series Graphs? 
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How Are Outliers Determined in Statistics? 
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Frequencies and Relative Frequencies 
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Make a Histogram in 7 Simple Steps 
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What Are the First and Third Quartiles? 
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Understanding the Interquartile Range in Statistics 
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What Is a Least Squares Line? 
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Calculating the Mean Absolute Deviation 
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What Are Residuals? 
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What Is the 5 Number Summary? 
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Understanding Quantiles: Definitions and Uses 
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Variance and Standard Deviation