$$\text { TABLE 10-4 }$$ A Real Estate Company Is Interested in Testing Whether, on Interested

question 86

Multiple Choice

$$\text { TABLE 10-4 }$$ A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. 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.
$$\text { Gotham: } \bar{X} _ { G } = 35 \text { months, } s g ^ { 2 } = 900 \quad \text { Metropolis: } \bar{X} _ { M } = 50 \text { months, } \mathrm { sm } ^ { 2 } = 1050$$
-Referring to Table 10-4, suppose ? = 0.05. Which of the following represents the result of the relevant hypothesis test?

• A) The null hypothesis is rejected.
• B) The alternative 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:

Fasting

The act of voluntarily abstaining from some or all food, drink, or both, for a period of time.

Liver

A large vital organ in vertebrates involved in numerous metabolic processes, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.

Carrier Molecules

Molecules that facilitate the transport of substances across a cell membrane, including ions, sugars, and small molecules, by undergoing a change in shape.

Active Transport

The movement of a substance across a cell membrane from an area of low concentration to an area of high concentration.