As of May 2011, the average hourly wage of a mail sorter was $23.26, an annual salary of approximately $48,380. Eighty percent of mail sorters reported receiving hourly wages of between $12.01 and $25.53.
Cross definition, a structure consisting essentially of an upright and a transverse piece, used to execute persons in ancient times. See more.
cross-sectional group means may be a very poor description of the actual course of growth seen in. any given child.â In fact, an estimate of a growth curve from repeated cross-sectional data is. unbiased only when we assume that the growth function is linear (Willett, 1988).