A Study Was Recently Conducted at a Major University to Determine

question 97

Multiple Choice

A study was recently conducted at a major university to determine whether there is a difference in the proportion of business school graduates who go on to graduate school within five years after graduation and the proportion of non-business school graduates who attend graduate school. A random sample of 400 business school graduates showed that 75 had gone to graduate school while in a random sample of 500 non-business graduates, 137 had gone on to graduate school. Based on these sample data, and testing at the 0.10 level of significance, what is the value of the test statistic?

• A) Approximately z = 1.645
• B) About z = -3.04
• C) Approximately z = 3.45
• D) About z = 1.96

---

Definitions:

Salaried Salesman

A salesperson who is compensated with a fixed salary rather than or in addition to commissions.

Employee Turnover

The rate at which employees leave a workforce and are replaced by new hires within a given period.

Shift Supervisor

A person responsible for overseeing and managing employees and operations during a particular shift in a workplace.

Promoting

The act of creating awareness, generating interest, and increasing sales for a product or service through various marketing techniques.