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H 0 : H 1 : α = Decision Rule: If then do not reject H 0 , otherwise reject H 0 . Test Statistic:

H 0 : H 1 : α = Decision Rule: If then do not reject H 0 , otherwise reject H 0 . Test Statistic: Decision: Conclusion: We have found ________________ evidence at the _____ level of significance that. H 0 : H 1 : α = Decision Rule: If

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H 0 : H 1 : α = Decision Rule: If then do not reject H 0 , otherwise reject H 0 . Test Statistic:

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  1. H0: H1: α = Decision Rule: If then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the _____ level of significance that

  2. H0: H1: α = Decision Rule: If then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the _____ level of significance that .03 .03

  3. H0: H1: α = .03 Decision Rule: If then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the .03   level of significance that the percentage of account balances exceeding $100,000 exceeds five percent. p= .05 p> .05

  4. Jaggia and Kelly (1stedition) Critical Value(s) Table 1 Group Flowchart * means coverage is different from text. yes Wald-Wolfowitz One-Sample Runs Test for Randomness pp. 634-638 Z using σ pp. 277-284 yes Z-table 2 1 Normal population ? yes no n > 30 ? Wilcoxon Signed-Ranks *pp. 610-614 (assumes population is symmetric) no WSR Table 3 no at least interval  known ? no Normal population ? no n > 30 ? mean or median level of data ? yes t with df = n-1 pp. 288-294 t-table 4 yes ordinal Sign Test *pp. 631-634 Sign Table 5 Z pp. 294-298 yes Z-table 6 np> 5 and n(1-p) > 5 ? proportion Parameter ? no Binomial Table Binomial/ Hypergeometric variance or standard deviation yes chi-square (df = n-1) pp. 336-344 Chi-square Table 7 Normal population ? no ? Default case

  5. H0: H1: α = .03 Decision Rule: If then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the .03   level of significance that the percentage of account balances exceeding $100,000 exceeds five percent. p= .05 p> .05

  6. .4700 H0: H1: α = .03 Decision Rule: If then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the .03   level of significance that the percentage of account balances exceeding $100,000 exceeds five percent. p= .05 p> .05 Do not reject H0 Reject H0 .03 0 Z = 1.88

  7. .4700 H0: H1: α = .03 Decision Rule: If Zcomputed < 1.88 then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the .03   level of significance that the percentage of account balances exceeding $100,000 exceeds five percent. p= .05 p> .05 Do not reject H0 Reject H0 .03 0 Z = 1.88

  8. .4700 H0: H1: α = .03 Decision Rule: If Zcomputed < 1.88 then do not reject H0, otherwise reject H0. Test Statistic: Decision: Conclusion: We have found ________________ evidence at the .03   level of significance that the percentage of account balances exceeding $100,000 exceeds five percent. p= .05 p> .05 Do not reject H0 Reject H0 Do not reject H0 .03 0 Z = 1.88 Do not reject H0. insufficient

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