percentage point

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For the probability distribution of a random variable X, the θ percentage point (or lower percentage point) of the distribution is x1, such that P(X<x1)=θ/100. The upper percentage point of the distribution is x2, such that P(X>x2)=θ/100. For example, the upper 5% point of a standard normal distribution is 1.645.

Subjects: Probability and Statistics.

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