Purpose of Data Analysis, understanding the data

1.     Understanding the Data

v What  are  variables?

v What  are  the  constants?                

v (Chances  of constants are very less but there can be; variables are required

v actually)

2.     To Determine the Level of Measurement

v What level is there; nominal/ordinal/interval or ratio.

3.     To Try to Find out Variables of Interest

4.     Distributions