David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing $\alpha$

question 34

Multiple Choice

David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing (MBM) , is reviewing the employee training programs of MBM factories.Based on a recent census of personnel, David knows that the variance of worker training time in New Brunswick is 8, and he wonders if the variance in Nova Scotia is the same number.His staff randomly selected personnel files for 15 workers in Nova Scotia, and determined that their mean training time was 25 hours and that the standard deviation was 4 hours.Assume that worker training time is normally distributed in the population.Using $\alpha$ = 0.10, the observed value of chi-square is ___.

• A)28.00
• B)30.00
• C)56.00
• D)60.00
• E)65.00

---

Definitions:

David Birch

An American economist noted for his research on job creation, small and medium enterprises, and entrepreneurial activity.

MIT Researcher

This describes an individual involved in conducting research at the Massachusetts Institute of Technology, a leading institution known for its scientific and technological research.

American Entrepreneurs

Individuals in the United States who start, organize, manage, and assume the risks of a business or enterprise.

Philanthropists

Individuals who seek to promote the welfare of others, especially by the generous donation of money to good causes.