SCENARIO 12-10 One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious, after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation. The results for 100 workers are given in the table below. 
-Referring to Scenario 12-10, find the rejection region necessary for testing at the 0.05 level of significance whether there is a relationship between defect rate and years of experience.
Definitions:
Positive Reinforcement
A technique used in behavioral psychology to increase the likelihood of a desired behavior by rewarding it.
Stimulus Discrimination
The learned ability to differentiate between similar stimuli and respond appropriately to each.
Stimulus Generalization
The process by which a response that has been learned to one stimulus is elicited by a different, but similar, stimulus.
Spontaneous Recovery
The reappearance of a previously extinguished conditioned response after a period of rest, without any further conditioning.
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