If a Set of 9 Numbers Has Standard Deviation 8

question 83

Multiple Choice

If a set of 9 numbers has standard deviation 8, then its variance is

• A) 64.00
• B) 2.67
• C) 21.33
• D) 24.00

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Definitions:

Night Terrors

intense episodes of fear that occur during deep sleep, often causing a person, usually a child, to wake up screaming, sweating, and confused.

Night-Time Waking

The act of waking up during the night after having fallen asleep, often referring to a sleep disturbance.

Sleepwalking

A sleep disorder involving episodes of walking or performing other complex behaviors while not fully awake, typically occurring during deep sleep.

Newborns

Infants from birth to a month old, characterized by rapid physical and neurological development.