A Department Chair Wants to Monitor the Percentage of Failing

question 31

Essay

A department chair wants to monitor the percentage of failing students in classes in her department.Each class had an enrollment of 50 students last spring.The number of failing students in the 10 classes offered that term were 1,4,2,0,0,0,0,0,0,and 3,respectively.Compute the control limits for a p-chart at the 95% confidence level.Is the process in control?

---

Definitions:

Economic Loss

Occurs when the cost of producing a good or service exceeds the revenue gained from selling it.

Investment Return

The profit or loss derived from investing capital, including dividends, capital gains, and interest.

Retaining Earnings

The practice of holding onto a company's profits to reinvest in the business rather than distributing them as dividends to shareholders.

Net Worth

The total assets minus total outside liabilities of an individual or a company.