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...Statistics for business and economics e chapter hypothesis testing developing null alternative hypotheses type i ii errors population mean s known unknown proportion cengage learning may not be scanned copied or duplicated posted to a publicly accessible website in whole part except use as permitted license distributed with certain product service otherwise on password protected school approved management system classroom can used determine whether statement about the value of parameter should rejected denoted by h is tentative assumption ha opposite what stated procedure uses data from sample test two competing statements indicated it always obvious how formulated care must taken structure appropriately so that conclusion provides information researcher wants context situation very important determining some cases easier identify first other correct formulation will take practice research many applications involve an attempt gather evidence support such often best begin make hopes tru...