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

question 200

Short Answer

SCENARIO 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.
-Referring to Scenario 10-12,the null hypothesis will be rejected if the test statistic is .

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Definitions:

Sodium Methoxide

A strong base used in organic synthesis, prepared by reacting sodium with methanol.

Methanol

A simple alcohol compound, used as a solvent, fuel, and antifreeze, characterized by one hydroxyl group attached to a methyl group.

Iodocyclohexane

An organic compound consisting of a cyclohexane ring in which one hydrogen atom has been replaced by an iodine atom.

Methanol

The simplest alcohol, with the chemical formula CH3OH, used as a solvent, antifreeze, fuel, and as a feedstock for chemical synthesis.