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Author Archives: Anonymous

Sample A has s = 5.5. Sample B has s = 3.0. Compute the F te…

Sample A has s = 5.5. Sample B has s = 3.0. Compute the F test statistic after proper labeling. Round to 3 decimals.

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Critical value for a two-sample variance test. Answer with t…

Critical value for a two-sample variance test. Answer with the appropriate Excel function used in this case.

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Left-tail F tests are allowed if the claim is written carefu…

Left-tail F tests are allowed if the claim is written carefully.

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A left-tail matched-pairs test has critical value -2.326 and…

A left-tail matched-pairs test has critical value -2.326 and TS = -0.840. Decision: ______. Answer “reject H0” or “fail to reject H0”.

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Tom’s Burgers claims that customers like Dee’s Burgers less…

Tom’s Burgers claims that customers like Dee’s Burgers less than they like Tom’s Burgers. Which hypothesis pair correctly represents the claim if Dee’s mean rating is listed first?

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Claim: There is no difference between Dee’s and Tom’s mean c…

Claim: There is no difference between Dee’s and Tom’s mean customer ratings. H1: μDee ___ μTom. Fill in the missing comparison operator: =, ≤, =, , or ≠ .

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Sample A has variance 12 and Sample B has variance 20. What…

Sample A has variance 12 and Sample B has variance 20. What is the F test statistic after correctly labeling Sample 1?

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Critical value for a two-sample mean test where both samples…

Critical value for a two-sample mean test where both samples have n > 30. Answer with the appropriate Excel function used in this case.

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Sample 1 has n1 = 200 and x1 = 160. Sample 2 has n2 = 300 an…

Sample 1 has n1 = 200 and x1 = 160. Sample 2 has n2 = 300 and x2 = 210. What is p̄?

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Which function is used for a matched-pairs test with n = 45…

Which function is used for a matched-pairs test with n = 45 pairs?

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