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Unformatted text preview: pop) tScores Mu known, sigma unknown (p357) Same statistical hypothesis as Z only dont have Sigma only small s. Phat for one group (qualitative data yes/no or boy/girl) H 0: p = 0 H 1: p 0 (2 tailed) OR H 1: p > 0 (1tailed) H 1: p < 0 (1tailed tScores 2 independent sample means (p396,401) H 0: 1 2 = 0 H 1: 1 2 0 (2 tailed) OR H 1: 1 2 > 0 (1tailed) H 1: 1 2 < 0 (1tailed) tScores 2 paired or matched t sample means (p417) H 0: D = 0 H 1: D 0 (2 tailed) (usually directional) OR H 1: D > 0 (1tailed) Phat for two groups (qualitative data yes/no and boy/girl) H 0: p 1 p 2 = 0 H 1: p 1 p 2 0 (2 tailed) OR H 1: p 1 p 2 > 0 (1tailed) H 1: p 1 p 2 < 0 (1tailed H 1: p 1 p 2 < 0 (1tailed)...
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This note was uploaded on 03/15/2011 for the course WCOB 1033 taught by Professor Jensen during the Spring '05 term at Arkansas.
 Spring '05
 Jensen

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