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Raw data from previous example

 

 

The following displays z-scores automatically created by software when conducting a descriptive analysis (an option on most software).  Software calculates the mean and standard deviation for the sample data and then calculates the z-score for each observation and outputs the result to the data file thereby creating a new variable (in this case Z-Age).

 

 

Obs

Age

Z-Age

1

24

-1.27897

2

32

-0.77459

3

32

-0.77459

4

42

-0.14411

5

55

0.67551

6

60

0.99075

7

65

1.30599


 
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