Statistical Sciences 2141A/B Lecture Notes - Lecture 8: Null Hypothesis, Hopsin, Sample Size Determination
14 Jun 2020
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Alternativehypothesis hailumenesthecasethereisbeingtested: nee z alternative are always mathematical opposites z type g hypothesis tests f me some cutout to wall is not true. Claimsabout g ho e hs ha hogansided. 2 hoi apro ils ha c . Normaldistribution in mean of 7s minutes e sd g gminutes edition will decrease aerage e keep everything constant plo to minutes. 130 f anything higher an lares is a issue. Aai pltmo testingthat it is higherkane th pro. 3 decide if evidence is sufficienttoprove null hypothesis isfalse ifso hois rejected a randomsample togatherevidence. Evidssessment: pvalues theprobabiingthat we wanedassume sample data asextreme or moreextreme infun y hathan. If p value ax rejectho that which was ace observed9plansabilityofho represents the moaimum pvalue elseho is not rejected. I 6ml yconfidence which the ho is rejected a typdheased. mg n r isknown. 3 capote pvaluefantest ifhas ifhac p plzzo p pczczo. I n ifha t l p 2 plzhot.
