Examples of z-scores and percentages in Standard curve

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How do you give an example that illustrates how z-scores or percentages do a better job of representing the proportion of the area under standard Curve?
Feb 20th, 2015

For example x=160 ; it does not convey much.

If the average value is 120 and standard deviation is 10, then z score = (160-120)/10 =4.

Z score of 4 will be on the top like 100 percentile. 

We must always remember comparison in relation to some thing.

Without proper scaling, any thing can be misleading.


Feb 20th, 2015

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Feb 20th, 2015
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Feb 20th, 2015
Jun 26th, 2017
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