TABLE 10-3 a Real Estate Company Is Interested in Testing Whether the Whether

question 73

Multiple Choice

TABLE 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: _G = 35 months, = 900 Metropolis: _M = 50 months, = 1050
-Referring to Table 10-3,which of the following represents the relevant hypotheses tested by the real estate company?

• A)H₀ : μ_G - μ_M ≥ 0 versus H₁ : μ_G - μ_M < 0
• B)H₀ : μ_G - μ_M ≤ 0 versus H₁ : μ_G - μ_M > 0
• C)H₀ : μ_G - μ_M = 0 versus H₁ : μ_G - μ_M ≠ 0
• D)H₀ : _G - _M ≥ 0 versus H₁ : _G - _M < 0

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Definitions:

Alien Species

Organisms introduced to a region where they are not native, often causing harm to the native species and environment.

Generation Times

The average period between the birth of individuals and the birth of their offspring in a population.

Human Population Growth

The increase in the number of people that reside in a country or the world.

Genetic Variability

The diversity within and among populations in terms of genetics, which contributes to species' adaptability and evolution.