ADMS 2320 Study Guide - Quiz Guide: Conditional Probability, Type I And Type Ii Errors, Level Of Measurement
28 Mar 2013
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Formula sheet adms 2320 prof. yogi. Descriptive stats deals with organizing, summarizing, presenting data in a convenient/informative/useful way. Inferential stats is a body of methods used to draw conclusions or inferences about characteristics of population based on sample data. Population is the group of all items of interest to a statistics practitioner(entire set of observations under study) descriptive measure is parameter. Sample is a set of data drawn from the studied population(is a subset of a population) descriptive measure for samp is statistic. Statistical inference is the process of making an estimate, prediction, decision about a population based on sample data. Confidence level is the proportion of times that an estimating procedure will be correct. Significance level measures how frequently the conclusion will be wrong. Descriptive stats includes graphical and tabular statistical methods. Values of variable are the possible observations of the variable. Data are the observed values of a variable.
