Topic : Establishing Causal Interference

Question: Indicate whether each of the following variables is a categorical variable, ordinal variable, or interval variable:

a) COLOR

Red

Yellow

Red

Blue

b) PURCHASE AMOUNT

$50-$100

<$50

>$100

$50-$100

c) SATISFACTION RATING (1=UNSATISFIED, 10 = HIGHLY SATISFIED)

2

4

8

5

d) DIVISION

Electronics

Clothing

Grocery

Clothing