Chapter 10 Review - Chapter 10 Review The null hypothesis,...

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Chapter 10 Review The  null hypothesis , denoted by   , is a claim about a population characteristic that is  initially assumed to be true The  alternative hypothe sis, denoted by  , is the competing claim o In carrying out a test of   versus  , the hypothesis   is rejected in favor of    only if sample evidence strongly suggests that   is false. o Two outcomes:  reject  , or  fail to reject  Type I error  is the error of rejecting   when is true  Type II error  is the error of failing to reject   when   is false Level of significance  of the test is the probability of a Type I error, denoted by  o Probability of a Type II error is denoted by  After assessing the consequences of Type I and Type II error, identity the largest   that  is tolerable for the problem o Then employ a test procedure that uses this maximum acceptable value as the 
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This note was uploaded on 09/17/2008 for the course HIST 171 taught by Professor Ss during the Fall '08 term at University of Illinois at Urbana–Champaign.

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Chapter 10 Review - Chapter 10 Review The null hypothesis,...

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