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

question 74

True/False

TABLE 10-12
A quality control engineer is in charge of the manufacture of USB flash drives.Two different processes can be used to manufacture the flash drives.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 flash drives 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.
-True or False: Referring to Table 10-12,the same decision would be made if this had been a two-tail test at a level of significance of 0.01.

---

Definitions:

Hartshorne and May

Researchers known for their studies in the field of moral development, particularly for their work in the 1920s on honesty in children.

Research

The systematic investigation into and study of materials, sources, etc., in order to establish facts and reach new conclusions.

Cheat

To act dishonestly or unfairly in order to gain an advantage, especially in a game or examination.

Pressured

Feeling stressed or coerced into doing something, often resulting from urgent demands or high expectations.