To Be Able to Conduct a T-Test It Is Important

Multiple Choice

To be able to conduct a t-test it is important:

A) That the independent- as well as the dependent variable is measured on a nominal or ordinal scale.
B) That the independent variable is measured on an interval- or ratio scale and the dependent variable is measured on a nominal- or ordinal scale.
C) That the independent- as well as the dependent variable is measured on an interval- or ratio scale.
D) That the dependent variable is measured on an interval- or ratio scale and the independent variable is measured on a nominal- or ordinal scale.