Among a Sample of 61 Students Selected at Random from a University,the

question 81

Multiple Choice

Among a sample of 61 students selected at random from a university,the mean number of siblings is 1.5 with a standard deviation of 0.9.Find a 95% confidence interval for the mean number of siblings for all students at this university.

• A)(1.39,1.53)
• B)(1.47,1.53)
• C)(68.53,71.47)
• D)(1.39,1.61)
• E)(1.27,1.73)

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Definitions:

Open About Feelings

Willingness to express and share one's emotional experiences with others.

Mental Health Problems

encompass a wide range of mental health conditions that affect mood, thinking, and behavior, such as depression, anxiety disorders, schizophrenia, and eating disorders.

Vicarious Stress

The process of experiencing stress indirectly by observing or learning about another person's stressful experiences.

Cardiovascular Disease

A general term for conditions affecting the heart and blood vessels, such as coronary artery disease, arrhythmias, and heart failure.