If a researcher has ordinal data, which of the following can be calculated or statistical test performed?
A) mean
B) t test
C) ANOVA
D) percentiles or quartiles
E) all of these choices

Question

Quizplus · Accepted Answer

With ordinal data, calculating means and performing t tests and ANOVA is not appropriate. Ordinal data can only be ordered or ranked, but it lacks magnitude or equal intervals between categories. Thus, the best choice for analyzing ordinal data would be to calculate percentiles or quartiles, which provide a measure of central tendency and variation that is appropriate for ordinal data.

If a Researcher Has Ordinal Data, Which of the Following