Explain and discuss with examples, the practical value of the z-score. 160 words
and leave a meaningful comment on this explanation or 120 words
Descriptive statistics, Z- scores report specifically where each individual is located. Throughout the process of changing an X value into a Z- score requires generating a signed number. The sign of the Z-score which is either (+) or (-) tells us whether the X value is established above the mean or below it, or in other words a positive or negative. When a score is +2.00 this means it’s above the mean by two standard deviations. The Z-score also represents the number of standard deviations between X and the mean of the assortment. For example, let’s say you have a game score of 190. The game score has a mean of 150 and a standard deviation of 25. Your Z- score would be z= (190-150) / 25= 1.6. The Z- score is able to tell you how many standard deviations from the mean your score is. From this example you can conclude that your score is 1.6 standaluvrd deviations above the mean
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