Statistical Analysis in Real Estate, Healthcare, and Marketing: ANOVA, Chi-Square, and Hypothesis Testing

Application of statistical analysis techniques in real-world business and healthcare scenarios.

Alexander Wilson

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Statistical Analysis in Real Estate, Healthcare, and Marketing:ANOVA, Chi-Square, and Hypothesis Testing335#71.TABLE 11-3A realtor wants to compare the average sales-to-appraisal ratios of residential properties sold in fourneighborhoods (A, B, C, and D). Four properties are randomly selected from each neighborhood andthe ratios recorded for each, as shown below.A: 1.2, 1.1, 0.9, 0.4 C: 1.0, 1.5, 1.1, 1.3B: 2.5, 2.1, 1.9, 1.6 D: 0.8, 1.3, 1.1, 0.7Interpret the results of the analysis summarized in the following table:Referring to Table 11-3, the among-group degrees of freedom isA) 3.B) 4.C) 16.D) 12.2.TABLE 11-3A realtor wants to compare the average sales-to-appraisal ratios of residential properties sold in fourneighborhoods (A, B, C, and D). Four properties are randomly selected from each neighborhood andthe ratios recorded for each, as shown below.A: 1.2, 1.1, 0.9, 0.4 C: 1.0, 1.5, 1.1, 1.3B: 2.5, 2.1, 1.9, 1.6 D: 0.8, 1.3, 1.1, 0.7Interpret the results of the analysis summarized in the following table:

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