A variable that is both (1) mutually exclusive, (2) exhaustive, (3) has a rank order AND (4) has equal distance between categories (i. e., usually continuous variables without a true zero like Fahrenheit temperature readings -- the difference between 18 & 19 is the same as between 75 and 76) are called variables.
a) interval
b) ordinal
c) nominal
d) ratio

Interval variables

Step-by-step explanation:

An interval variable which is also refereed to as ordinal variable with the additional property that t has differences in magnitudes of the between two  meaningful values

An example of an interval variable is ,when a temperature of 90 degrees and 100 degrees is the same difference as between 90 degrees and 80 degrees.

Interval variables are also said to be mutually exclusive , exhaustive and also having a rank or ranking order.

b

step-by-step explanation:

b