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 ________.

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Definitions:

Task-specific

This term refers to skills, abilities, or strategies that are particularly relevant to, and used for, accomplishing a specific task.

Self-efficacy

An individual's belief in their own capacity to execute behaviors necessary to produce specific performance attainments.

Task-specific

relates to skills, abilities, or knowledge that is directly relevant to the performance of a particular job or task.

Appraisal

The act of assessing something or someone, often referring to the evaluation of an employee's performance in a job.