Lecture 5: Describing data (part 1)

January 28, 2026
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Describing data via summary statistics

Samples and populations typically consist of numerous individual observational units along with their associated data (observations, variables). To describe samples effectively, we use summary statistics (mean, median, variance, etc.), which serve as estimates of the same statistics for the entire population (i.e., parameters).

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Mode, Median, Mean, Range, and Standard Deviation (1.3), by Simple Learning Pro

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