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Mathematics, 21.02.2020 16:17 Moneyman587
Hypotheses for a statistical test are given, followed by several possible confidence intervals for different samples. In each case, use the confidence interval to state a conclusion of the test for that sample and give the significance level used. In addition, in each case for which the results are significant, state which group (1 or 2) has the larger mean. Hypotheses: H0:μ1=μ2 vs Ha:μ1≠μ2(a) 95% confidence interval for μ1-μ2: 0.17 to 0.32Conclusion: RejectDo not rejectH0Significance level: 90%5%1%10%95%99%Group with the larger mean:
Group 1Group 2Cannot determine(b) 99% confidence interval for μ1-μ2: -2.8 to 5.8Conclusion: RejectDo not rejectH0Significance level: 90%1%99%95%5%10%Group with the larger mean:Group 1Cannot determineGroup 2(c) 90% confidence interval for μ1-μ2: -9.6 to -3.8Conclusion:RejectDo not rejectH0Significance level:10%90%95%99%1%5%Group with the larger mean:Group 2Group 1Cannot determine
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Hypotheses for a statistical test are given, followed by several possible confidence intervals for d...
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