In Constructing 95% Confidence Interval Estimate for the Difference Between

question 183

Multiple Choice

In constructing 95% confidence interval estimate for the difference between the means of two normally distributed populations, where the unknown population variances are assumed not to be equal, summary statistics computed from two independent samples are as follows: , , , , , and . The upper confidence limit is:

• A) 19.123
• B) 28.28
• C) 24.911
• D) 5.788
• E) 22.934

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Definitions:

EEG

Electroencephalography, a monitoring method to record electrical activity of the brain, used in the diagnosis of brain disorders.

Synapse

The junction between two neurons where information is transmitted from one neuron to another.

Agonist

A chemical or drug that binds to receptors in the brain and activates them, often mimicking the effects of naturally occurring substances.

Association Areas

Regions of the brain that integrate different types of information to perform complex functions.