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

question 207

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 null hypothesis should be rejected.

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Definitions:

Physics Test

An examination or assessment aimed at evaluating understanding and knowledge of concepts in the field of physics.

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The real, measurable outcomes of an individual's or group's actions, as opposed to expected or perceived performance.

Hippie

A member of a youth movement in the 1960s that rejected conventional societal norms in favor of peace, love, and communal living.

Confederate

A participant in a study who is secretly working for the researchers, used to manipulate social interactions.