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

question 89

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,what is the standardised value of the estimate of the mean of the sampling distribution of the difference between sample means?

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

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Definitions:

Lumber

Wood that has been processed into beams and planks, a stage in the process of wood production.

UCC

The Uniform Commercial Code, which is a comprehensive set of laws governing all commercial transactions in the United States.

Electronic Means

Utilizing digital technology and devices to facilitate communication, transactions, or information exchange.

Merchants

Individuals or businesses engaged in the trade of goods, services, or commodities for profit.