GM533 Statistics exercise 9.19

GM533 Statistics exercise 9.19 - if x = 85 and = 20 Use...

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Problem9.19 Z= 85 -80 / 20/sqrt 100 Z= 5/ 20/10 Z= 5/2 =  2.5 df = 100-1 = 99  Must reject the null in favor of the alternative. Using random sample of 100 meaursements to test H : μ=80 vs. H : μ>80
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Unformatted text preview: if x = 85 and = 20 Use critical value to test H vs H by setting =.01 z= x-/ /sqrt n Therefore 2.5 > 2.33...
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This note was uploaded on 06/13/2011 for the course GM 533 taught by Professor Rathinbasu during the Spring '10 term at Keller Graduate School of Management.

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