Data Types Flashcards
1
Q
What is Nominal Data?
A
Categories with no order
- gender (boy, girl, non binary)
2
Q
What is Ordinal Data?
A
Categories with a clear order.
For example
- From good to bad
3
Q
What is Interval Data?
A
Numerical Data with equal intervals, no true zero
Example: temperature in Celsius (0’C doesn’t mean no temperature)
4
Q
What is Ratio Data?
A
Numerical, ordered, equal intervals
For example
- Steps counted by a fitness tracker (0 = no step)
5
Q
Why are data types important?
A
They determine:
How data is analysed
Which charts or tests to use
What insight can be drawn.