CH.5 The Role of Statistics in Research

Question 1

What is Nominal data?

Answer 1

Data classified by differences in kind, qualitative, with no particular order
EX:
- Favorite food
- Political party
- Hair Color

Question 2

What is Ordinal data?

Answer 2

Data that comes in rankings or specific orders
EX:
- Letter grades
- High school year
- Shirt sizes

Question 3

What is Interval data?

Answer 3

Data with an order classification with equal intervals, where the number 0 DOESN’T mean an absence of a variable
EX:
- IQ
- Temperature in degrees Celcius
- Times of the day

Question 4

What is Ratio data?

Answer 4

Data with interval properties, quantitative where the number 0 DOES mean an absence of something
EX:
- Weight
- Income
- Crime data