Levels of Measurement Flashcards
1
Q
what are the two types of categorical data
A
- Nominal
- Ordinal
2
Q
what is nominal data
A
observations that are recorded as categories with names/words
3
Q
what is ordinal data
A
observation recorded as relatable categories that can be ranked
4
Q
what are the 2 types of scale data
A
- interval
- ratio
5
Q
what is interval data
A
data which are recorded on a true numerical sale but the scale starts at an arbitrary point
6
Q
what is ratio data
A
data that are recorded on a true numerical scale, with a true zero point and equal distance between intervals of measurements
7
Q
what are the two types of ratio data and their definitions with examples
A
- continuous data: measurements, may take any value e.g. height or mass
- discrete/discontinuous data: counts, e.g. number of asthma attacks
8
Q
A
