Because of the ambiguity of the intervals, technically, it's not proper to calculate the mean and standard deviation of ordinal data.

Question

Quizplus · Accepted Answer

Ordinal data represents categories with a meaningful order, but the intervals between the categories are not necessarily consistent or defined, making calculations of mean and standard deviation inappropriate as these calculations assume equal intervals between data points.

Because of the Ambiguity of the Intervals, Technically, It's Not