Exhibit 11-8 
-In Excel, which of the following functions is used to conduct a hypothesis test for comparing two population variances?
Definitions:
Extinction
In psychology, the gradual decrease and eventual disappearance of a conditioned response when the conditioned stimulus is no longer paired with an unconditioned stimulus.
Rescorla-Wagner Model
A psychological theory describing how new learning can interfere with or enhance existing conditioned associations through a process of expectation.
Associative Strength
The strength of the linkage or association between two elements, such as between a stimulus and a response, in conditioning.
Training Trial
A practice session or experiment aimed at enhancing an individual's skill or knowledge in a specific area.
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