Sample - a set of individuals or objects collected or selected from a statistical population by a defined procedure, Survey - investigation about the characteristics of a given population by means of collecting data from a sample of that population and estimating their characteristics through the systematic use, Mean - the average, experiment - a controlled study in which the researcher attempts to understand cause-and-effect relationships, population - the entire pool from which a statistical sample is drawn, inferences - the process of using data analysis to deduce properties of an underlying distribution of probability, justify - to provide an explanation or rationale for something to make it seem OK or to prove it is correct or OK, studies - attempt to understand cause-and-effect relationships, parameter - is any numerical quantity that characterizes a given population or some aspect of it., mode - something that occurs the most, median - When in order it is the middle,

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