A Random Sample of 144 Observations Has a Mean of 20

question 77

Multiple Choice

A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22. The population standard deviation is known to equal 4.8. The 95.44% confidence interval for the population mean is _____.

• A) 15.2 to 24.8
• B) 19.2 to 20.8
• C) 19.216 to 20.784
• D) 21.2 to 22.8

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Definitions:

Urinary Tract Problem

Health issues affecting any part of the urinary system, including kidneys, ureters, bladder, and urethra, leading to symptoms like pain and difficulty in urination.

Sexually Aroused

The condition of being physically and emotionally stimulated in anticipation of or during sexual activity.

Alcohol Affects

The various impacts of alcohol consumption on the body and mind, including but not limited to physiological, psychological, and behavioral changes.

Eating Disorders

Mental disorders characterized by abnormal or disturbed eating habits, which can have serious health consequences.