TABLE 12-10 One Criterion Used to Evaluate Employees in the Assembly Section

question 59

Multiple Choice

TABLE 12-10
One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious,after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation.The results for 100 workers are given in the table below.
-Referring to Table 12-10,which test would be used to properly analyze the data in this experiment to determine whether there is a relationship between defect rate and years of experience?

• A)χ² test for independence
• B)χ² test for differences among more than two proportions
• C)Wilcoxon rank sum test for independent populations
• D)Kruskal-Wallis rank test

---

Definitions:

Dumping

The practice of selling goods in a foreign market at a price lower than their normal value, often as a means of driving out competition or disposing of surplus stock.

Anticompetitive

Practices or policies that restrict or restrain competition in a market, often considered unfair or unethical.

Bribery

The practice of offering, giving, receiving, or soliciting something of value to influence the action of an official or other person in charge of a public or legal duty.

Ethical View

A perspective or stance on what is morally right or wrong, often reflecting personal or societal beliefs.