Answer:
C. The term average is not used in statistics. The term "mean" should be used for the result obtained by adding all of the sample values and dividing by the total number of sample values.
Step-by-step explanation:
In colloquial language, the average is the result obtained when we add all the sample values and divide by the total number of sample values.
However, in statistics, the term which is used to represent this calculation is the "mean" of the sample data. The term average is not used.
The correct option is C.