Question

A specific factor having a range of possible values is a __________.

a. variable
b. mean
c. median
d. mode

Answer 1

The answer to this is: a variable.
A variable can be for example "height" - and the instances of the variable are "159cm" or "165 cm"

The other options describe statistical methods to describe the values of the variable.

For example, the mean is the average height.