In order for a researcher to calculate an average, the variable must be at the __________ level.
A) Interval or ratio
B) Only ratio
C) Only interval
D) Any level of measurement

Question

Quizplus · Accepted Answer

In order for a researcher to calculate an average, the variable must be measured using either interval or ratio level of measurement. These two levels of measurement allow for meaningful and consistent intervals between the values, which is necessary for calculating an average. The other two levels, nominal and ordinal, do not have consistent intervals between values and are not suitable for calculating an average.

In Order for a Researcher to Calculate an Average, the Variable