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

question 148

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.
$$\text { Gotham: } X _ { G } = 35 \text { months, } s _G ^ { 2 } = 900 \text { Metropolis: } X _ { M } = 50 \text { months, } s^ 2_ { M } = 1050$$
-Referring to Table 10-4, suppose ? = 0.01. Which of the following represents the result of the relevant hypothesis test?

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

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Definitions:

Acidic

Solution containing more than 10–27 mol of hydrogen ions per liter; has a pH less than 7.

Vasoconstriction

Decreased diameter of blood vessels.

Erectile Tissue

Specialized tissue found in certain parts of the body like the penis and clitoris, which can become engorged with blood, causing the tissue to harden and expand.

Venules

Small veins that collect blood from capillary beds and join to form veins, facilitating the return of blood to the heart.