2.1 Measuring Relative Standing Using Z-Scores


This lesson shows you how to use the Z-score formula in standardizing numerical values in a Normal distribution where the mean and standard deviation is given. Using the Normal approximation, you can compute for the Normal probability of an event by using your z-score and its percentile.

More Practice Exercises

This statistics lesson shows you how to compute for the percentile of a given distribution using the z-score when the mean and standard deviation is given. it also shows how to calculate the percentile given an ungrouped data by arranging the list from least to greatest


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AP Statistics