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Elements of Stat I (BIOL)

by: Danny Conn

Elements of Stat I (BIOL) STAT 1221

Danny Conn
GPA 3.64

Christina Turner

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About this Document

Christina Turner
Class Notes
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This 2 page Class Notes was uploaded by Danny Conn on Sunday October 25, 2015. The Class Notes belongs to STAT 1221 at University of North Carolina - Charlotte taught by Christina Turner in Fall. Since its upload, it has received 17 views. For similar materials see /class/229024/stat-1221-university-of-north-carolina-charlotte in Statistics at University of North Carolina - Charlotte.


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Date Created: 10/25/15
Hypothesis Testing for Proportions two sample Noonan syndrome is a genetic condition that can affect the heart growth and mental development Researchers examined the stature of men and women with the Noonan syndrome The study contained 29 male and 44 female adults One of the cutoff values used to assess stature was the third percentile of adult height Eleven of the males and 24 of the females fell below the third percentile of adult height respectively Does this study provide sufficient evidence for us to conclude that among subjects with Noonan syndrome females are more likely than males to fall below the respective third percentile of adult height Use alpha 005 a Write down given information decide on distribution 6 V Identify the claim and state the hypotheses Find the test statistic O V Q V Identify the rejection region and critical values pvalue e Make decision f Answer question is there enough evidence to support the claim yes or no Hypothesis Testing for Proportions two sample Researchers used telephone interviews of randomly selected respondents in Hong Kong to obtain information regarding individuals perceptions of health and smoking history Among 1222 current male smokers 72 reported that they had poor health while 30 among 282 former male smokers reported that they had poor health Is this sufficient evident to allow one to conclude that among Hong Kong men there is a difference between current and former smokers with respect to the proportion who perceive themselves as having poor health Let alpha 001 a Write down given information decide on distribution b Identify the claim and state the hypotheses c Find the test statistic d Identify the rejection region and critical values pvalue e Make decision f Write conclusion


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