g which of the following statements is true? a. measures of center are numbers that describe the scatter of the data or the extent to which the data values are spread out. b. the range is the most robust measure of variability. c. the mean is the most robust measure of center. d. the standard deviation is expressed in terms of the original units of measurement but the variance is not. e.

A measure of central tendency (also known as a measure of center or central location) is a summary measure that attempts to describe an entire set of data with a single value representing the middle or center of its distribution.

Range, interquartile range, standard deviation, and variance are common measures of variability used in statistics to measure variability in data sets.

The mean is the most frequently used measure of central tendency because it uses all values in the data set to give you an average.

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