Mathematics > EXAM > University of Phoenix MA 335 Final Exam. Complete for Grade A+ (All)

University of Phoenix MA 335 Final Exam. Complete for Grade A+

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335#7 1. TABLE 11-3 A realtor wants to compare the average sales-to-appraisal ratios of residential properties sold in four neighborhoods (A, B, C, and D). Four properties are randomly selec... ted from each neighborhood and the ratios recorded for each, as shown below. A: 1.2, 1.1, 0.9, 0.4 C: 1.0, 1.5, 1.1, 1.3 B: 2.5, 2.1, 1.9, 1.6 D: 0.8, 1.3, 1.1, 0.7 Interpret the results of the analysis summarized in the following table: Referring to Table 11-3, the among-group degrees of freedom is A) 3. B) 4. C) 16. D) 12. 2. TABLE 11-3 A realtor wants to compare the average sales-to-appraisal ratios of residential properties sold in four neighborhoods (A, B, C, and D). Four properties are randomly selected from each neighborhood and the ratios recorded for each, as shown below. A: 1.2, 1.1, 0.9, 0.4 C: 1.0, 1.5, 1.1, 1.3 B: 2.5, 2.1, 1.9, 1.6 D: 0.8, 1.3, 1.1, 0.7 Interpret the results of the analysis summarized in the following table: Referring to Table 11-3, the within-group sum of squares is A) 1.0606. B) 4.3644. C) 1.1825. D) 3.1819. 3. A completely randomized design A) has one factor and one block and multiple values. B) can have more than one factor, each with several treatment groups. C) has one factor and one block. D) has only one factor with several treatment groups. 4. The F test statistic in a one-way ANOVA is A) MSA/MSW. B) SSA/SSW. C) MSW/MSA. D) SSW/SSA. 5. TABLE 11-2 An airline wants to select a computer software package for its reservation system. Four software packages (1, 2, 3, and 4) are commercially available. The airline will choose the package that bumps as few passengers, on the average, as possible during a month. An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks. (A total of 20 weeks was included in the experiment.) The number of passengers bumped each week is obtained, which gives rise to the following Excel output: ANOVA Referring to Table 11-2, the within groups degrees of freedom is [Show More]

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