Use the Confidence Level and Sample Data to Find a Confidence

question 10

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ. Round your answer to the same number of decimal places as the sample mean.
-Test scores: $\mathrm { n } = 104 , \overline { \mathrm { x } } = 95.3 , \sigma = 6.5 ; 99 \%$ confidence

• A) \(93.7 < \mu < 96.9\)
• B) \(93.8 < \mu < 96.8\)
• C) \(94.1 < \mu < 96.5\)
• D) \(94.2 < \mu < 96.4\)

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Definitions:

Expressed Emotion

Expressed Emotion refers to a measure of the family environment that is based on how much criticism, hostility, and emotional over-involvement are expressed towards a family member with a mental illness.

Schizophrenia

A chronic brain disorder known for affecting a person's thinking, feeling, and behavior, leading to symptoms like delusions, hallucinations, and disorganized speech.

Relapse

A return to a previous state of health deterioration or the reappearance of symptoms after a period of improvement or recovery.

Anxious/Fearful Cluster

A group of personality disorders characterized by prominent anxiety and fear, including avoidant, dependent, and obsessive-compulsive disorders.