The Variance of a Student T Random Variable with V

question 137

True/False

The variance of a Student t random variable with v degrees of freedom (v > 2)is always greater than 1.

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Definitions:

Secondary Reinforcer

A stimulus that has become reinforcing through its association with a primary reinforcer.

Primary Reinforcer

A stimulus that is naturally rewarding and satisfies a basic biological need, such as food or water, which does not require learning to be effective.

Negative Punishment

A behavior modification technique where a desired stimulus is removed following unwanted behavior, with the goal of decreasing the likelihood of the behavior occurring again.

Interval Schedule

In operant conditioning, a reinforcement schedule where rewards are given after a variable or fixed duration of time has passed.