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

question 69

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, the value of the test statistic is ________.

---

Definitions:

Green IT

Refers to environmentally sustainable computing or IT practices, which aim to reduce the environmental impact of technology.

Ethical Decision-Making

The process of evaluating and choosing among alternatives in a manner consistent with ethical principles.

Cambridge Analytica Scandal

A significant breach of privacy, where the data of millions of Facebook users were harvested without consent for political advertising.

Restructuring

The act of organizing a company, business structure, or process differently to increase efficiency, effectiveness, or adapt to new circumstances.