THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 23

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
From a random sample of ten students in an operations management class that uses group-learning techniques,the mean examination score was found to be 82.75 and the sample standard deviation was 3.24.For an independent random sample of eight students in another marketing research class that does not use group-learning techniques,the sample mean and standard deviation of exam scores were 75.62 and 7.27,respectively.It is assumed that the and unknown population variances are not assumed to be equal.
-Determine the number of degrees of freedom.

• A)10
• B)15
• C)20
• D)25

---

Definitions:

Higher Wage

The increased remuneration or salary received by an employee, often as a result of promotions, market adjustments, or successful salary negotiations.

Labor for Leisure

The trade-off between working hours for income and spending time on relaxation or enjoyment activities.

Hourly Wage Rate

The hourly wage rate is the amount of money paid to an employee for one hour of work, often used to calculate overall earnings in jobs that compensate workers on an hourly basis.

Extra Hour

An additional period of time, typically beyond what is normal or expected, often referring to work or activities.