Instruction 10-14 A Quality Control Engineer Is in Charge of the Manufacture

question 23

Short Answer

Instruction 10-14
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 Instruction 10-14,the null hypothesis will be rejected if the test statistic is _______.

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Definitions:

Massive Amounts

Extremely large quantities or volumes of something.

Line Chart

A type of chart which displays information as a series of data points connected by straight line segments, commonly used to visualize trends over time.

Vertical Axis

In a graph or chart, the y-axis, which typically represents the range of values for a variable being measured.

Distorting

The act of twisting or altering information in a way that misrepresents the truth.