A Quality Control Engineer Is in Charge of the Manufacture

question 286

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)χ² test for difference in proportions
• D)McNemar test

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Definitions:

Denial Messages

Refers to communications that inform recipients about what cannot be done or why a request is rejected, often aiming to maintain a positive relationship.

Proper Tone

The use of language and style in communication that is appropriate for the audience and purpose, reflecting respect and professionalism.

Cash Refunds

A return of money to a purchaser following the return of an item or dissatisfaction with a service provided.

You Statements

Phrases that directly address the listener or reader, potentially creating a sense of personalization or confrontation.