Which of the following is (are) a useful measure(s) of central tendency when the data are nominal?
A) Mode and median
B) Mode, median, mean, standard deviation
C) Mode
D) Mode, median, mean, standard deviation, geometric and harmonic mean

Question

Quizplus · Accepted Answer

The mode is the only measure of central tendency that can be used for nominal data, as there is no inherent ranking or order to the categories. The median and mean require ordinal or interval data. The standard deviation and geometric/harmonic mean require interval or ratio data.

Which of the Following Is (Are) a Useful Measure(s) of Central