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:

Modal Selection

The process of choosing the most appropriate mode of transportation for goods based on factors like cost, distance, and product type.

Determinants

Factors or conditions that exert influence on the outcome of a process or the characteristics of an entity.

Trucking Industry

A sector of the transportation industry that specializes in the movement of goods and materials over land, typically using large vehicles like trucks.

Flexibility

The capability to adapt or change according to different conditions, requirements, or environments, often viewed as a desirable quality in various contexts.