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

question 5

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 $\alpha$ = 0.10.Which of the following represents the result of the relevant hypothesis test?

• A) The alternative hypothesis is rejected.
• B) The null hypothesis is rejected.
• C) The null hypothesis is not rejected.
• D) Insufficient information exists on which to make a decision.

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Definitions:

Osteoporosis

A medical condition in which the bones become brittle and fragile from loss of tissue, typically due to hormonal changes, or deficiency of calcium or vitamin D.

Dendrites

Branch-like extensions of neurons that are involved in receiving signals from other neurons.

Neurons

Specialized cells in the nervous system that transmit information by electrical and chemical signaling.

Reflexes

Unlearned, organized involuntary responses that occur automatically in the presence of certain stimuli.