10. YES, for understanding (transformation,
visualization, and modeling)
11. YES, for understanding (transformation,
visualization, and modeling)
NO, for communication
12.
13. An entity that has two or more mutually
exclusive values
14. An entity that has two or more mutually
exclusive values
15. An entity that has two or more mutually
exclusive values
16. An entity that has two or more mutually
exclusive values
Some examples?
17. Measurement is a process of assigning values
to variables based on rules
18. Type Level Example
Nominal Unordered categories Gender is either male or
female
Ordinal Ordered
categories
Size is small, medium or, large
Interval No true zero, but equal
intervals
% items correct on
achievement test as a
measure of ability
Ratio True zero and equal intervals % items correct on
achievement test