Measures of variability matchup There are multiple ways to r

Measures of variability match-up There are multiple ways to refer to or describe a variance or a standard deviation of either a population or a sample. Likewise, each measure has multiple appropriate equations or symbols. The left table consists of alternative ways of referring to each of these measures. The right table consists of equations or symbols for each of these measures. Mean squared deviation from p Standard distance from M Mean squared deviation from M Square root of the mean squared deviation from the population mean For each of the following four measures, select one appropriate description from the left table (lettered) and one appropriate equation or symbol from the right table (numbered). Each answer will be used only once. Measure Alternative Description Equation or Symbol Sample standard deviation Sample variance Population standard deviation Population variance

Solution

sample std deviation: (b) 3.

sample variance (c) 2.

population std dev (d) 4

population variance: (a) 1