Which of the following statements is true about the mean of a series?
A) The mean is equal to zero when all the values are identical.
B) The mean is a commonly used technique for summarizing data.
C) The mean is less than all the individual observations in the data set.
D) The mean is calculated as the sum of all values multiplied by the number of values.

Question

Quizplus · Accepted Answer

The mean is a commonly used technique for summarizing data. Option A is false as the mean would not be zero if all values are identical but not equal to zero. Option C is false as the mean value is a representative value and could be greater or less than some of the individual observations in the data set. Option D is false as the mean is calculated by summing up all the values and dividing by the number of values.

Which of the Following Statements Is True About the Mean