TABLE 10-4
a Real Estate Company Is Interested in Testing

question 59

Multiple Choice

TABLE 10-4
A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes.
$$\text { Gotham: } \bar{X} _ { G } = 35 \text { months, } s _G ^ { 2 } = 900 \text { Metropolis: } \bar{X} _ { M } = 50 \text { months, } s _ { M ^ { 2 } } = 1050$$
-Referring to Table 10-4, what is the standardized value of the estimate of the mean of the sampling distribution of the difference between sample means?

• A) -8.75
• B) -1.96
• C) -3.69
• D) -2.33

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Definitions:

Dominance Hierarchies

Social structures in groups where members are ranked in terms of power, influence, or access to resources.

Interpersonal Complementarity Hypothesis

A theory suggesting that individuals are more satisfied in relationships where their behaviors are complementary to the behaviors of others, especially in terms of dominance and submission.

Iron Law Of Oligarchy

The theory that all forms of organization, regardless of how democratic they are at the start, will eventually and inevitably develop oligarchic tendencies.

Status Generalization

The process by which individuals extrapolate others' broader social status based on limited or irrelevant information.