Descriptive Statistics Flashcards
1
Q
What is the difference between discreet data and continuous data? Give examples.
A
Countable values vs. infinite/estimated values (like the number of patients vs. BMI, count of heartbeats vs. total sleep time per day, etc.)
2
Q
What are the four levels of measurement?
A
- Nominal
- Ordinal
- Interval
- Ratio
3
Q
What is a nominal level of measurement?
A
Involving categories only.
4
Q
What is an ordinal level of measurement?
A
Involving categories with some order.
5
Q
What is an interval level of measurement?
A
Involving differences but no starting point (no true zero).
6
Q
What is a ratio level of measurement?
A
Involving differences AND a true zero (starting point).
