Instruction 10-3
a Real Estate Company Is Interested in Testing $\quad \bar { X } _ { G } = 35$

question 67

Multiple Choice

Instruction 10-3
A real estate company is interested in testing whether the mean time that families in Gotham have been living in their current homes is less than families in Metropolis. 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.
Gotham: $\quad \bar { X } _ { G } = 35$ months, $S _ { G } { } ^ { 2 } = 900$
Metropolis: $\quad \bar { X } _ { M } = 50$ months, $\quad S _ { M ^ { 2 } } = 1,050$
-Referring to Instruction 10-3,suppose $\alpha$ = 0.01.Which of the following represents the correct conclusion?

• A) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.
• B) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.
• C) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.
• D) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.

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Definitions:

Intangible Costs

Costs that are not directly measurable in monetary terms, such as brand value, intellectual property, and customer relationships.

Factor-Rating Analysis

A method for comparing the desirability of multiple options or locations based on a set of criteria, each weighted according to its importance.

Facility Location

The process of determining the most suitable location for a company’s manufacturing or service operation for optimization of its efficiency and effectiveness.

Zoning Regulations

are legal rules defining how property in specific geographic zones can be used, affecting land use, building heights, densities, and the separation of residential areas from commercial and industrial ones.