The variables involved in a statistical survey can be classified as quantitative: continuous or discrete; or qualitative: nominal or ordinal, accor...

The variables involved in a statistical survey can be classified as quantitative: continuous or discrete; or qualitative: nominal or ordinal, according to their characteristics. In this sense, choose the CORRECT alternative that contains only examples of continuous quantitative variables:


A) Distance traveled, speed, time, and length.
B) Gender, creed, educational level, and time.
C) Speed, eye color, gender, and age.
D) Gender, eye color, race, and creed.