A Quality Control Engineer Is in Charge of the Manufacture

question 104

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:

Post-Traumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event.

Depression

A psychological disorder defined by a constant state of depression or apathy towards activities, severely affecting one's day-to-day life.

Aggression

Actions aimed at causing harm or instilling fear in others, including physical aggression, spoken words, or silent forms of intimidation.

Chinese

Relating to China, its people, languages, or culture.