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.
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.
