Alpha&p-values - Using α – Significance level v...

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Unformatted text preview: Using α – Significance level v Simply decides the rejection region or N (0,1) Compute: (from given Data) x - m0 =z s/ n x - m0 =t s/ n 9/19/11 tν Conclude: ? −za / 2 −ta / 2,n - 1 za / 2 ta / 2,n - 1 Reject H0: μ = μ0 in favor of H1: μ ≠ μ0 (or) Rejection region ‘Fail to reject’ region School of Chemical Rejection ‘Retain’ H0 region 11 Using α – Significance level v Simply decides the rejection region or N (0,1) Compute: (from given Data) x - m0 =z s/ n x - m0 =t s/ n 9/19/11 tν Conclude: ? za ta ,n - 1 Reject H0: μ = μ0 in favor of H1: μ > μ0 (or) ‘Fail to reject’ region School of Chemical Rejection ‘Retain’ H0 region 22 Using α – Significance level v Simply decides the rejection region or N (0,1) Compute: (from given Data) x - m0 =z s/ n x - m0 =t s/ n 9/19/11 tν Conclude: ? −za −ta Reject H0: μ = μ0 in favor of H1: μ < μ0 (or) Rejection region ‘Fail to reject’ region School of Chemical ‘Retain’ H0 33 Finding p – value v Area of the blue shaded region Compute: (from given Data) x - m0 =z s/ n v v It is not the probability that population’s mean (μ) = μ0 It is the probability of obtaining such a data if μ were μ0 9/19/11 v −z School of Chemical 44 ...
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This note was uploaded on 09/19/2011 for the course CHE 320 taught by Professor Harris during the Spring '10 term at Purdue University-West Lafayette.

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Alpha&amp;p-values - Using α – Significance level v...

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