TABLE 10-13 A Quality Control Engineer Is in Charge of the Manufacture

question 126

Short Answer

TABLE 10-13
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 10-13, the null hypothesis will be rejected if the test statistic is _____.

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Definitions:

Pruning Process

The neurological process whereby unused connections in the brain are eliminated to increase the efficiency of neuronal transmissions.

Social Learning Theorists

Scholars who emphasize that people can learn new behaviors and attitudes by observing others, known as observational learning or modeling.

Gender-Typing Process

The process through which children learn about the behaviors, interests, and roles that are typically associated with their gender in their culture.

Observation

The active acquisition of information from a primary source using the senses or instruments that extend the senses.