HW10Sol

# HW10Sol - reject the Null Hypothesis which means that...

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STAT 3011 HW 10 Solution Instructor: Alicia Johnson b) p 1 = 0.214 n 1 = 33326 p 2 = 0.256 n 2 = 42000 se = p 1 1 −  p 1 n 1 p 2 1 −  p 2 n 2   p 1 −  p 2 ± z se = 0.034,0.050 , where z = 2.575829 c) See below: 10.23 a) The point estimate is the difference of the sample average: 2.9 -0.1 =2.8, that means, in average, the HONC score for Inhalers is 2.8 greater than that of Noninhalers. b) See below: c) Since the P-value is less than 0.001, of course it's less than 0.05. Thus, at the 0.05 significane level, we

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Unformatted text preview: reject the Null Hypothesis, which means that Inhalers have a larger mean HONC score. 1 10.47 a) Because the measurements were applied to the same subject, they are dependent. b) Since it's dependent data, we should use a matched pairs procedure. 2...
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## This note was uploaded on 10/02/2011 for the course STAT 3011 taught by Professor Wang,zhan during the Spring '09 term at Minnesota.

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HW10Sol - reject the Null Hypothesis which means that...

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