TABLE 10-4 a Real Estate Company Is Interested in Testing Whether, on Whether

question 181

Multiple Choice

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.

-Referring to Table 10-4, what is the estimated standard error of the difference between the 2 sample means?

• A) 4.06
• B) 5.61
• C) 8.01
• D) 16.00

---

Definitions:

High-low Method

A technique used in cost accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.

Machine Hours

A measure of the amount of time a machine is operated, used in accounting to allocate manufacturing overhead costs.

Cost Driver

A factor that causes a change in the cost of an activity, essentially determining the level of expense incurred in producing a product or service.

Least Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the differences between observed and predicted values.