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A National Manufacturer of Ball Bearings Is Experimenting with Two \neq

question 79

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A national manufacturer of ball bearings is experimenting with two different processes for producing precision ball bearings. It is important that the diameters be as close as possible to an industry standard. The output from each process is sampled and the average error from the industry standard is calculated. The results are presented below:  A national manufacturer of ball bearings is experimenting with two different processes for producing precision ball bearings. It is important that the diameters be as close as possible to an industry standard. The output from each process is sampled and the average error from the industry standard is calculated. The results are presented below:    The researcher is interested in determining whether there is evidence that the two processes yield different average errors. What is the alternate hypothesis? A)  µ<sub>A</sub><sub> </sub>- µ<sub>B</sub><sub> </sub>= 0 B)  µ<sub>A</sub><sub> </sub>- µ<sub>B</sub><sub> </sub> \neq  0 C)  µ<sub>A</sub><sub> </sub>- µ<sub>B</sub><sub> </sub> \le  0 D)  µ<sub>A</sub><sub> </sub>- µ<sub>B</sub><sub> </sub>> 0
The researcher is interested in determining whether there is evidence that the two processes yield different average errors.
What is the alternate hypothesis?


Definitions:

Absolute Standard

A fixed criterion of measure that remains unchanged over time and under different conditions.

Perception Error

A mistake in interpreting or understanding information received from the environment due to biases, incorrect information, or misinterpretation.

Cross-Cultural Negotiations

The process of discussing and coming to an agreement between parties from different cultural backgrounds.

Social Connections

The relationships and networks that individuals form with others.

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