1
A variable that can be measured numerically.
2
A variable that cannot assume a numerical value but can be classified into two or more nonnumeric categories.
3
A variable that can assume any numerical value over a certain interval or intervals.
4
A variable whose values are countable.
5
A characteristic under study or investigation that assumes different values for different elements.
6
A specific subject or object included in a sample or a population.
7
A portion of the population of interest.
8
Collection of data on the elements of a population or sample.
9
A survey that includes all members of the population.
10
Collection of observations or measurements on a variable.