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Unformatted text preview: are met. Suppose Metaltech decided to use a 5% level of significance and the observed sample mean is 30.5 feet with the sample variance 16 feet 2 . Perform the appropriate test. Claim: 2 12 H : 2 12 vs. H 1 : 2 > 12 s 2 = 16. n = 25. Test Statistic: ( 29 ( 29 12 16 1 25 1 2 2 2 s == n = 32 . Rejection Region: Right tailed. Reject H if 2 2 n 1 = 24 degrees of freedom. = 0.05 2 05 . = 36.42 . Reject H if 2 > 36.42. The value of the test statistic does not fall into the Rejection Region. Do NOT Reject H at = 0.05 ....
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This note was uploaded on 10/12/2011 for the course STATISTICS stat 410 taught by Professor Stepanov during the Spring '11 term at University of Illinois, Urbana Champaign.
 Spring '11
 Stepanov

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