Statistics and Probability · Foundations

Descriptive statistics

Summarizing a dataset with a few numbers, mean, median, variance, or a picture, instead of listing every value.

Also known as: mean median mode, variance, standard deviation, summarizing data.

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Related topics

• Correlation: A single number summarizing how strongly, and in what direction, two variables move together.
• Sampling and sampling distributions: How a statistic, like a sample mean, itself varies from sample to sample if you repeated the study.