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

question 208

True/False

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 same decision would be made if this had been a two-tail test at a level of significance of 0.01.

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Definitions:

Standard of Living

The level of wealth, comfort, material goods, and necessities available to a certain socioeconomic class or geographic area.

Public Good

A good that is non-excludable and non-rivalrous, meaning that one person's consumption does not reduce its availability to others and people cannot be prevented from using it.

Communist Governments

Government systems where the state owns and controls all major aspects of the economy, aiming for classless society and elimination of private property.

Circular Flow Diagram

A visual model of the economy that shows how dollars flow through markets among households and firms.