What combination of variables do you need to have to calculate a correlation?
A)interval/ratio, interval/ratio
B)ordinal, interval/interval ratio
C)nominal, ordinal
D)nominal, nominal

Question

Quizplus · Accepted Answer

To calculate a correlation, you need two variables that are at least at the interval or ratio level of measurement, as these levels of measurement allow for the computation of differences and ratios, which are necessary for correlation calculations.

What Combination of Variables Do You Need to Have to Calculate