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...Topic introduction to principles of experimental design plus review purpose the statistical science is provide an objective basis for analysis problems in which data depart from laws exact causality d j finney agriculture types reasoning two inferences are commonly used derive a scientific conclusion namely deductive inference and inductive general specific it what we colloquially think as logic judgment or generalization based on axioms assumptions example if coins assumed perfectly balanced then one can conclude that mean number heads tossing these must be correct only term by statisticians means particular about will actual results trials experiments conducted facts conclusions established thus involve here slightly humorous argument all odd numbers prime there some with seem due temperature effects therefore this clear does not always produce valid however source almost advances since its intelligent use allows observations motivate formulation new theories method power permits sci...