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

question 195

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 null hypothesis will be rejected if the test statistic is ________.

---

Definitions:

Brand Names

Names given to products or services by companies to distinguish them from competitors.

Franchising

A business model that allows individuals or entities to operate a business under the brand and operational model of an established company.

Harmful Pollutants

Substances released into the environment that can cause harm to human health, ecosystems, and the climate.

Competitive Market

A market structure characterized by a large number of sellers and buyers where no single participant can significantly influence the price of goods or services.