Z-score introduction | Modeling data distributions | AP Statistics | Khan Academy
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Z-score introduction | Modeling data distributions | AP Statistics | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/ap-statistics/density-curves-normal-distribution-ap/measuring-position/v/z-score-introduction Introducing the idea of a z-score as the number of standard deviations away from the mean a certain data point is. View ...
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