Z-scores and percentages

label Statistics
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When comparing data from different distribution what Is the benefit of transforming data from the distribution to conform standard distribution
Feb 17th, 2015

Since different distributions have different means and different standard deviations, comparison will be possible if we standardize the data 

That is ( x-mu)/sigma 

The advantage is that it is dimensionless number. Even when different distributions have different units of measurement, standardized z score will be a nice tool for comparison.

Feb 17th, 2015

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Feb 17th, 2015
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Feb 17th, 2015
Sep 20th, 2017
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