Which of the following average cannot be calculated for the observations 2, 2, 4, 4, 6, 6, 8, 8, 10, 10 ?
A)Mean
B)Median
C)Mode
D)All of the above

Question

Quizplus · Accepted Answer

The mode is the value that appears most frequently in a data set. In this case, all numbers appear exactly twice, so there is no single number that appears more frequently than others. This means the mode cannot be uniquely determined from the given observations, whereas the mean and median can be calculated without issue.

Which of the Following Average Cannot Be Calculated for the Observations