A Large University Is Interested in Learning About the Average $23.243$

question 144

Multiple Choice

A large university is interested in learning about the average time it takes students to drive to campus. The university sampled 51 students and asked each to provide the amount of time they spent traveling to campus. The sample results found that the sample mean was $23.243$ minutes and the sample standard deviation was $20.40$ minutes. It is desired to determine if the population standard deviation exceeds 20 minutes. Calculate the test statistic for this test of hypothesis.

• A) \(\chi ^ { 2 } = 58.11\)
• B) \(\chi ^ { 2 } = 52.02\)
• C) \(\chi ^ { 2 } = 51\)
• D) \(\chi ^ { 2 } = 53.06\)

---

Definitions:

Non-Cash Charges

Expenses reported on the income statement that do not require an actual cash outflow, such as depreciation and amortization.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life.

Cash Disbursements

The outflow of cash for expenses, such as payments to creditors, operational costs, and investment activities.

Production Budget

An estimate of the number of units that must be produced in a given period to meet the sales and inventory needs, forming part of the master budget of a business.