The Scores Obtained by Five College Students in a Test

question 26

Multiple Choice

The scores obtained by five college students in a test are 25, 25, 30, 35, and 40. What is the mean for this set of scores?

• A)34
• B)25
• C)31
• D)40

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Definitions:

Theta Waves

Brain wave patterns observed in the EEG (Electroencephalogram) that are typically associated with light sleep, meditation, and creativity, having a frequency range of about 4-8 Hz.

Alpha Waves

A type of brainwave that is associated with relaxed, calm, and meditative states, typically with closed eyes.

Beta Waves

Brainwave patterns associated with active, alert states of consciousness.

Sleep Spindles

Sleep Stage 2 brain waves that feature short periods of calm interrupted by brief flashes of intense activity.