# The sampling distribution of the ratio of independent

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24. The sampling distribution of the ratio of independent sample variances extracted from two normal populations withequal variances is the _____.a.χ2distributionb.normal distributionc.Zdistributiond.tdistributionANSWER:c
POINTS:1DIFFICULTY:EasyREFERENCES:Inferences about Two Population VariancesLEARNING OBJECTIVES:MBST.ASWC.18.11.02 - 11.2NATIONAL STANDARDS:United States - Business Program.1: - Reflective ThinkingKEYWORDS:Bloom's: Knowledge25. The 95% confidence interval estimate for a population variance when a sample variance of 30 is obtained from asample of 12 items is _____.b
POINTS:1DIFFICULTY:ModerateREFERENCES:Inferences about a Population VarianceLEARNING OBJECTIVES:MBST.ASWC.18.11.01 - 11.1NATIONAL STANDARDS:United States - Business Program.1: - Reflective ThinkingKEYWORDS:Bloom's: Comprehension26. The 99% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtainedfrom a sample of 10 items is _____.c
POINTS:1DIFFICULTY:ModerateREFERENCES:Inferences about a Population VarianceLEARNING OBJECTIVES:MBST.ASWC.18.11.01 - 11.1NATIONAL STANDARDS:United States - Business Program.1: - Reflective ThinkingKEYWORDS:Bloom's: Comprehension27. The 90% confidence interval estimate for a population standard deviation when a sample variance of 50 is obtained
Chapter 11 - Inferences about Population Variancesfrom a sample of 15 items is _____.c
POINTS:1DIFFICULTY:ModerateREFERENCES:Inferences about a Population VarianceLEARNING OBJECTIVES:MBST.ASWC.18.11.01 - 11.1NATIONAL STANDARDS:United States - Business Program.1: - Reflective ThinkingKEYWORDS:Bloom's: Comprehension28. To avoid the problem of not having access to tables of theFdistribution with values given for the lower tail when atwo-tailed test is required, let the smaller sample variance be _____.a.the denominator of the test statisticb.the numerator of the test statisticc.at least 1d.None of the answers is correct.ANSWER:

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