A Quality Control Engineer Is in Charge of the Manufacture

question 122

Multiple Choice

A quality control engineer is in charge of the manufacture of computer disks.Two different processes can be used to manufacture the disks.He suspects that the Kohler method produces a greater proportion of defects than the Russell method.He samples 150 of the Kohler and 200 of the Russell disks and finds that 27 and 18 of them, respectively, are defective.If Kohler is designated as "Group 1" and Russell is designated as "Group 2," which of the following tests will you use to find out if the Kohler method is worse than the Russell method?

• A)Paired t test.
• B)Z test for difference in proportions.
• C) test for difference in proportions.
• D)Kruskal-Wallis rank Test.

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Definitions:

Pay Equity

The concept of ensuring equal pay for work of equal value, aimed at eliminating gender and other discriminatory pay gaps.

Common Identity

The shared traits, characteristics, or belonging that unites individuals within a group, fostering a sense of solidarity.

Group Attractiveness

The extent to which a group is considered desirable to join by potential and current members, often due to its prestige, goals, or relationships.

Cohesiveness

The degree to which members of a group or team are united in pursuing common goals and how well they work together.