A Quality Control Engineer Is in Charge of the Manufacture

question 30

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) X² test for difference in proportions
• D) McNemar test

Understand the practical applications and outcomes of gene inactivation experiments, such as gene knockout studies.

Comprehend the dynamics of gene usage in differentiated cells and the genetic differences between female and male mammals.

Understand the key findings and implications of the Hawthorne studies.

Recognize the importance of management listening to their employees.

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Definitions:

Stimulus Discrimination

The learned ability to differentiate between similar stimuli and respond only to the actual stimuli associated with a conditioned response.

Operant Conditioning

A behavioral conditioning method where the influence of an action is shaped by reward or correction.

Stimulus Discrimination

The learned ability to differentiate between similar stimuli and respond appropriately to each.

Spontaneous Recovery

The reappearance of a previously extinguished response after a period of no exposure to the conditioned stimulus, observed in classical conditioning.