Question

which statement about the mean is true? a the mean can be found by dividing the sum of the data by the number of data points in the set. b the mean is the piece of data that always lies in the middle of a data set arranged in order. c the mean is one of three measures of variation. d the mean represents a product share of the data.

Explanation:

The mean of a data - set is calculated by dividing the sum of all data values by the number of data points. The middle value in an ordered data - set is the median. Measures of variation include range, variance, and standard deviation. The mean is not a product - related measure of the data.

Answer:

A. The mean can be found by dividing the sum of the data by the number of data points in the set.