The Scores of a Class Are Normally Distributed with a Mean

question 19

Multiple Choice

The scores of a class are normally distributed with a mean of 82 and a standard deviation of 8. What is the standard deviation of the sampling distribution of the sample mean, , if a sample of 64 students is selected at random from all students taking that course?

• A) 10.25
• B) 8.00
• C) 1.25
• D) 1.00

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Definitions:

Medication

Substances used to diagnose, treat, or prevent illness and disease, aiding in improving health or managing symptoms.

Posthospitalization Services

Care and assistance provided to patients after they have been discharged from the hospital, aimed at ensuring recovery and preventing readmission.

Psychological Support

Emotional or mental assistance provided to individuals dealing with stressful events, mental health issues, or life changes through various therapeutic techniques.

Psychosis

A mental health condition characterized by a disconnection from reality, manifesting through symptoms such as hallucinations and delusions.