TABLE 10-12 A Quality Control Engineer Is in Charge of the Manufacture

question 197

Short Answer

TABLE 10-12
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," perform the appropriate test at a level of significance of 0.01.
-Referring to Table 10-12, construct a 90% confidence interval estimate of the difference in proportion between the Kohler and Russell disks that are defective.

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Definitions:

Mechanistic

describes organizations or systems that are highly structured, with clear hierarchical levels, rules, and roles, emphasizing efficiency and predictability in operations.

Organic Structure

A flexible, decentralized organizational design that emphasizes informal networks of communication and empowers employees to take decisions.

Growth

The process of increasing in size, value, or importance.

Span of Control

Refers to the number of subordinates or tasks directly supervised or overseen by one manager or leader.