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Continuity correction factor  The value 0.5 subtracted or added, depending on the question, to a selected value when a discrete probability distribution is approximated by a continuous probability distribution.
Normal approximation to the binomial  A binomial probability can be estimated using the normal distribution.
Normal probability distribution  A continuous probabil­ity distribution uniquely determined by µ and σ.
Standard normal distribution  A normal distribution with a mean of 0 and a standard deviation of 1.
Uniform probability distribution  A continuous probability distribution with its values spread evenly over a range of values that are rectangular in shape and are defined by minimum and maximum values.
z value  The distance between a selected value and the population mean in units of the standard deviation.







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