PSY 07202 Study Guide - Quiz Guide: Central Tendency, Interquartile Range, Histogram
19 Aug 2016
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Document Summary
Statistics- a branch of mathematics used to summarize, analyze, and interpret a group of numbers or observations. Descriptive statistics- applying statistics to organize and summarize information. Presented graphically, in tables, or as summary statistics(single values) Inferential statistics- applying statistics to interpret the meaning of information. Made with samples to the larger population from which they were selected. Data- measurements or observations that are typically numeric. Datum- a singular measurement or observation, usually referred to as a score or raw score. Population is the set of all individuals, items, or data of interest. This is the group about which scientists will generalize. Sample is a set of individuals, items, or data selected from a population of interest. Parameter is a characteristic that is usually numeric that describes a population. This variable remains unchanged between conditions being observed, it is the presumed cause.
