A Sample Standard Deviation and Sample Size Are Given $\chi ^ { 2 }$

question 46

Multiple Choice

A sample standard deviation and sample size are given. Use the one-standard-deviation $\chi ^ { 2 }$ -interval procedure to obtain the specified confidence interval.
-s = 4, n = 11 , 95% confidence interval

• A)2.956 to 6.373
• B)2.795 to 7.02
• C)0.618 to 3.896
• D)2.795 to 3.51

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Definitions:

Negative Impact

Adverse effects or consequences that result from a particular action or set of conditions.

Alertness

The state of being awake, aware, and attentive, often in response to stimuli or as part of normal consciousness.

Sleep Terrors

Episodes of screaming, intense fear, and flailing while still asleep, often paired with difficulty fully waking up, occurring predominantly in children.

Parasomnias

A group of sleep disturbances characterized by unusual actions, feelings, sensations, or dreams that appear during the process of falling asleep, throughout the sleep period, in transitions between stages of sleep, or upon waking.