Hypothesis Testing

Hypothesis TestingECE 3530 Spring 2010 Antonio PaivaWhat is Hypothesis Testing ?A statistical Hypothesis is an assertion or conjectureconcerning one or more prove that a Hypothesis is true, or false, withabsolutecertainty, we would needabsolute knowledge. That is, wewould have to examine theentire , Hypothesis Testing concerns on how to use a randomsample to judge if it is evidence that supports or not is Hypothesis Testing ? (cont.) Hypothesis Testing is formulated in terms oftwohypotheses: H0: the null Hypothesis ; H1: the alternate is Hypothesis Testing ? (cont.)The Hypothesis we want to test is ifH1is likely , there are two possible outcomes: RejectH0and acceptH1because of sufficient evidence inthe sample in favor orH1; Do not rejectH0because of insufficient evidence is Hypothesis Testing ? (cont.)Very important!!Note that failure to rejectH0does not mean the nullhypothesis is true. There is no formal outcome that says acceptH0. It only means that we do not have sufficientevidence to is Hypothesis Testing ?

Case study(cont.) Why did we choose a critical value of 10 for this example? Because this is a Bernoulli process, the expected number of defectives in a sample is np.

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  Testing, Value, Expected, Hypothesis, Hypothesis testing, The expected

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