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

question 134

Multiple Choice

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

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Definitions:

Evaluating

The process of assessing or judging the value, significance, or condition of something based on certain criteria or standards.

Manipulative

A method or approach that seeks to influence others in a skillful or sometimes deceptive manner.

Flexible

Capable of easily adapting or changing to accommodate new circumstances.

Time

A continuous, quantifiable period during which actions, processes, or conditions exist or take place.