Z-Score Normalization (Data Mining)

Z-Score Normalization – (Data Mining)

Z-Score helps in normalization of data.

How to calculate Z-Score of the following data?

marks

8
10
15
20  
z score normalization standard deviation
Figure: z score normalization standard deviation

Mean = 13.25

Standard deviation = 5.37

z score normaliation data mining
Figure: z score normalization data mining

marks

marks after z-score normalization

8 -1.14
10 -0.7
15 0.3
20 1.4

 

Fazal Rehman Shamil
Welcome to all friends. The reason for our success is only your love for T4Tutorials. Our team is always available to answer your queries regarding any kind of confusions or discussion regarding your study and career matters. For discussion with us please join our facebook group "T4Tutorials.com". The link of the group is mentioned below. Thanks and love to all for connecting with us. We are nothing without you. Love you all.....
https://web.facebook.com/groups/2066136233601097/