D the stability of the population it describes. The standard deviation s is the average amount of variability in your dataset. Statistic Number That Represents Some Measure Of Central Tendency Or Variability Calculated Form Sample Group O Statistics Pearson Education Central Tendency σ2 Σ xi μ2 N. . The variability of a statistic is described by the. The larger the standard deviation the more variable the data set is. Quartiles divide an ordered data set into four equal parts. The findings of this sample are best described by two parameters. Amount of bias present. Typically evokes words such as. The values that divide these parts are known as the first quartile second quartile and third quartile Q1 Q2 Q3. So if the standard deviation of a dataset is 8 then the variation would be 82 64. C the vagueness in the wording of the question used to collect the sample data. Understand that a set of...