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:

Minor Calyces

Small, funnel-shaped structures in the kidneys that collect urine from the renal pyramids and convey it to the major calyces.

Major Calyces

The large passageways in the kidney that collect urine from the minor calyces and funnel it into the renal pelvis.

Cortical Tissue

Brain tissue found in the cortex that is involved in processing sensory information, thinking, and consciousness.

Pyramids

Structures located in the medulla oblongata of the brain, involved in the transmission of motor signals to the spinal cord.