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z-scores

z-scores

Q In this section you learn about the Normal distribution and z-scores. Explain in your own words what a z-score is and then give an example of how z-scores can be used to make a comparison.

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A z-score is the number of standard deviations an observation deviates from the mean. An example where a z-score can be used to make a comparison is when comparing the number of points a basketball player scores in a season to the number of points a soccer player score in a season.