TABLE 11-2 a Realtor Wants to Compare the Mean Sales-To-Appraisal Ratios of Ratios

question 98

Multiple Choice

TABLE 11-2
A realtor wants to compare the mean 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:
Source df SS MS F PR > F
Neighborhoods 3.1819 1.0606 10.76 0.001
Error 12
Total 4.3644
-Referring to Table 11-2, the null hypothesis for Levene's test for homogeneity of variances is

• A) H₀: μA = μB = μC = μD.
• B) H₀: MA = MB = MC = MD.
• D) H₀: πA = πB = πC = πD.

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Definitions:

CNS

Central Nervous System, which includes the brain and spinal cord, responsible for processing and coordinating information in the body.

Efferent Neurons

Nerve cells that conduct impulses away from the central nervous system to muscles and glands.

Chain Ganglia

Collections of neuron cell bodies located outside the central nervous system and along the course of peripheral nerves, involved in transmitting nerve impulses.

Sympathetic Branch

Part of the autonomic nervous system that controls the body's responses to stress, including the fight-or-flight response.