Levels Of Data

Question 1

What are levels of data?

Answer 1

Levels of measurements: categories measurements according to levels. Each level corresponded to how this measurement can be treated mathematically.

Question 2

What is Nominal ?

Answer 2

There is no difference in quality,simply different.
There is no true mathematical quide
Nominal data has no order and only gives various categories.

Question 3

What is Ordinal?

Answer 3

This is data that has order, but the interval between measurements.
It is not meaningful, the categories can be rank ordered with reference to some external Criteria one category can be regarded as having more or less underlying quality.

Question 4

What is interval?

Answer 4

Order and the internal between measurements is equal.
Order is important and internal differences and meaningful
Measurements can be negative.

Question 5

What is ratio?

Answer 5

Absolute zero
Both differences and ratios are meaningful most physical qualities
Rare in psychology.