9'9" dbl-\"P!" A A Population Population includes all the elements from a set of data. consists of one or more observations drawn from the population. indicates how the population data points are spread out. is a measure of variability with xed value calculated from every individual in the population. Sample Population Sample population. is the mean of sample values collected. is the mean of all the values in the population. is a measure of variability calculated from only some of the individuals in a