The Progression or Treatment of Multiple Sclerosis May Be Measured

question 73

Multiple Choice

The progression or treatment of multiple sclerosis may be measured by a group of diagnostic tests that measure changes and responses in brainwaves elicited by stimuli called

• A) electroencephalography
• B) PET scan
• C) MRI scan
• D) evoked potential studies

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Definitions:

One-sample T Test

A statistical test used to compare the mean of a single sample to a known mean or expected value, to see if there is a significant difference.

Normal Population

A population with a distribution that follows the normal (Gaussian) curve, where most measurements are centered around the mean.

Sample Mean

The average value calculated from a sample of data, often used as an estimate of the population mean.

Null Hypothesis

In hypothesis testing, it is the default hypothesis that there is no effect or no difference, and it is subject to test for possible rejection.