Liam Has Just Taken an Amphetamine

question 111

Multiple Choice

Liam has just taken an amphetamine.His entire central nervous system is stimulated because of increased activity of which of the following?

• A)norepinephrine and dopamine
• B)dopamine and GABA
• C)serotonin and dopamine
• D)GABA

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Definitions:

Variance

A measure of the dispersion or spread of a set of data points, calculated as the average squared deviation from the mean.

Degrees of Freedom

The number of independent pieces of information in a dataset that are available for estimating a parameter or calculating a statistic.

Student t Distribution

A probability distribution that is used in hypothesis testing for small sample sizes, when the population standard deviation is unknown.

Mean

The arithmetic average of a set of numbers, calculated by adding all the numbers together and dividing by the count of the numbers.