THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 101

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The residents of Austin,Texas,complain that parking fines given in their city are higher than the parking fines that are given in Houston.Independent random samples of the amounts paid by residents for parking tickets in each of two cities over the last four months were obtained.Assume the population variances are equal.These amounts were as follows:

-Determine the number of degrees of freedom.

• A)18
• B)16
• C)20

---

Definitions:

Growth Rate

The rate at which a company's or country's economy grows or the rate at which a given variable, such as population or an investment, increases over a specified period.

Compounded

The process where the value of an investment increases because the earnings on an investment, both capital and interest, earn interest as time passes.

Monthly

Occurring, produced, or executed once every month.

Annuity

A financial product that pays out a fixed stream of payments to an individual, typically used as part of retirement planning.