at choice should be made using the minimax regret criterion?
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What choice should be made using the minimax regret criterion?
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- A researcher has a limited amount of time and money, so they want to choose the research design that will require the smallest number of participants. Which statistical test would be best? The related samples t-test (because repeated measures designs require fewer participants). Both the related samples t-test and the independent samples t-test would need the same number of participants. The independent samples t-test (because independent measures designs require fewer participants). The type of statistical test you should use isn't determined by the research design.What is a unique advantage of the Latin Square design? It reduces the carryover effect while maximizing the strength of the IV manipulation. The Latin Square design uses multiple langauges. It counterbalances while reducing the number of groups/people needed to control for order effects. It is useful in an independent groups designs when matching participants on the dependent variable. Previous O O OSuppose that treatment Factor T has three levels and blocking Factor B has seven levels. What are the values of k and v for the q-curve for performing Tukey’s multiple-comparison procedure to determine which treatment means are different?
- A study was conducted to study the association between lack of employment and depression in a population-based sample of adults in a small town. Among 5,000 adults who reported that they were unemployed 390 developed depression. Among 7,500 employed adults in the town, 58 cases of depression were observed. Construct the appropriate 2x2 table. What is the relative risk (risk ratio) of depression associated with unemployment? What is the interpretation?When dragons on planet Pern lay eggs, the eggs are either green or yellow. The biologists have observed over the years that 30% of the eggs are yellow, and the rest green. Next spring the lead scientist has permission to randomly select 44 of the dragon eggs to incubate. Consider all the possible samples of 44 dragon eggs. What is the usual number of yellow eggs in samples of 44 eggs? (Give answers as SENSIBLE whole numbers.) minimum usual number of yellow eggs = maximum usual number of yellow eggs =Create a Pareto Chart manually or using Excel for the following data: Problem Count of Instances High rates - 11 Late room service - 8 Long wait elevator - 9 Long wait receptionist - 18 Missing toiletries - 14 Old equipment - 9 Unpleasant behavior - 12 Untidy rooms - 7 Provide your interpretation of the result.
- In a certain college, a survey was conducted to determine whether the students agree or disagree to the extension of the coverage of the value-added tax. The students were classified as follows: lower division representing the freshmen and sophomore students; upper division representing the juniors and seniors and the graduate students. The results are shown below. Year Level Reaction upper lower graduate 15 Agree Disagree 20 19 10 16 36 Using 1% level of significance, conduct a test of significance to determine if students' reaction is related to a year level.Z-score is a method used to predict bankruptcy. True or FalseThe following set of data, presented to the Senate Antitrust Subcommittee, shows the comparative crash-survivability characteristics of cars in various classes. Find the least squares line that approxi- mates these data. (The table shows the percent of accident-involved vehicles in which the most severe injury was fatal or serious.) Type 1. Domestic luxury regular 2. Domestic intermediate regular 3. Domestic economy regular 4. Domestic compact 5. Foreign compact Average Weight 4800 lb 3700 lb 3400 lb 2800 lb 1900 lb Percent Occurrence 3.1 4.0 5.2 6.4 9.6
- What types of analyses would be relevant for the Pareto prioritization analysis model?Periodically, customers of a financial services company are asked to evaluate the company's financial consultants and services. Higher ratings on the client satisfaction survey indicate better service, with 7 the maximum service rating. Independent samples of service ratings for two financial consultants are summarized here. Consultant A has 10 years of experience, whereas consultant B has 1 year of experience. Use α = 0.05 and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A Consultant B n1 = 16 n2 = 10 x1 = 6.81 x2 = 6.26 s1 = 0.68 s2 = 0.75 (a) State the null and alternative hypotheses. 1. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 2. H0: μ1 − μ2 ≤ 0 Ha: μ1 − μ2 > 0 3. H0: μ1 − μ2 ≠ 0 Ha:μ1 − μ2 = 0 4. H0: μ1 − μ2 ≤ 0 Ha:μ1 − μ2 = 0 5. H0:μ1 − μ2 > 0 Ha: μ1 − μ2 ≤ 0 (b) Compute the value of the test statistic. (Round your answer to three decimal places.) What is…Write a short note on Two-Factor ANOVA.
