Which types of variables are considered scale variables by statistical computing packages such as SPSS?
A) continuous and ratio
B) continuous and interval
C) discrete and interval
D) ratio and interval

Question

Quizplus · Accepted Answer

Statistical computing packages such as SPSS consider scale variables to be those that have numerical values and can be measured using a quantitative scale. These include ratio and interval variables, which have a meaningful zero point and can be measured on a continuous scale. Therefore, the best choice is D, which includes both ratio and interval variables.

Which Types of Variables Are Considered Scale Variables by Statistical