AP Statistics: Chapter 7

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Presentation transcript:

AP Statistics: Chapter 7 Random Variables 7.1 Discrete and Continuous Random Variables

A variable whose value is a numerical outcome of a random phenomenon. Random Variables A variable whose value is a numerical outcome of a random phenomenon.

Discrete Random Variable

Probability Distribution of Discrete Random Variables

Probability Histogram

Continuous Random Variable Takes all values in an interval of numbers. Real numbers Measurable

Proportions Population Mean = Proportion = P S.D. = Variance = Sample

Normal Distributions as Probability Distribution

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