If You Are Examining an EEG Recording for Someone Who

question 165

Multiple Choice

If you are examining an EEG recording for someone who is sleeping, and sleep spindles start to occur, what stage of sleep is the person in?

• A) stage 4
• B) stage 1
• C) stage 3
• D) stage 2

---

Definitions:

Test Statistic

A value calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.

T Test

A statistical hypothesis test used to compare the means of two groups and determine if they come from the same population by analyzing the difference.

T Value

A value calculated in a t-test that assesses the difference between two means relative to the variation in the data.

Critical Value

The threshold or point on the test distribution that is compared with the test statistic to determine whether to reject the null hypothesis.