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QuizCh8

# QuizCh8 - Math 350 Quiz Chapter 8 Two Sample Inference...

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Math 350 – Quiz Chapter 8 – Two Sample Inference Printed Name: Calculators are allowed on this quiz. ..neighbors are not ! Show work for credit. 1 10 pts The numbers of calories contained in cup servings of randomly selected ﬂavors of ice cream from two national brands are listed here. At the 0.05 level of signiﬁcance, is there suﬃcient evidence to con- clude that the mean the number of calories diﬀers between the two brands? Brand A Brand B 330 300 285 310 310 350 300 370 270 380 250 300 310 300 290 310 Paired Design State the Hypotheses H 0 : H 1 : ........................................................ Calculate the p -Value. ........................................................ Decision Reject H 0 Fail to Reject H 0 Accept H 0 ........................................................ Conclusion. Independent Design F -test of variances to determine whether to use a pooled
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