In a Recent Study of 42 Eighth Graders, the Mean

question 15

Multiple Choice

In a recent study of 42 eighth graders, the mean number of hours per week that they watched television was 19.6. Assume the population standard deviation is 5.8 hours. Find the 98% confidence interval for the
Population mean.

• A)(17.5, 21.7)
• B)(14.1, 23.2)
• C)(18.3, 20.9)
• D)(19.1, 20.4)

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Definitions:

Alcoholics Anonymous

A fellowship of people who share their experience, strength, and hope with each other to solve their common problem and help others recover from alcoholism.

Addiction-Related Alcohol

Issues or dependencies stemming from the excessive consumption of alcoholic beverages, often leading to health and social problems.

Twelve-Step

A set of guiding principles outlining a course of action for recovery from addiction, compulsion, or other behavioral problems.

C.S.I.

Abbreviation for "Crime Scene Investigation", a procedural detection television series, or the professional practice of investigating crime scenes.