Which of the Following Statements About Mean Values Is NOT

Multiple Choice

Which of the following statements about mean values is NOT true?

A) Mean values can be calculated for any variable in a data set.
B) Mean values are only meaningful for continuous measures.
C) Mean values should be presented with several decimals, to improve their precision.
D) The mean is only useful with equal-interval scales.
E) Outliers can have a very strong influence on a sample mean.