A Statistics Instructor Wishes to Know the Average Age (In

question 39

Multiple Choice

A Statistics instructor wishes to know the average age (in month) of his 200 students.He is too lazy to sample all 200 students so he decides to choose 20 students at random from the class and ask them for their age.All 200 names are put in a hat and 25 names are then chosen at random (without replacement) .This sampling method is called a

• A)Cluster Sample.
• B)Simple Random Sample.
• C)Voluntary Sample.
• D)Stratified Random Sample.
• E)Systematic Random Sample.

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Definitions:

Alcoholics Anonymous

A self-help group and fellowship of individuals who share their experience, strength, and hope with each other that they may solve their common problem and help others to recover from alcoholism.

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A measure of the amount of blood in an organism's body, expressed as a percentage of total body volume.

State Of Intoxication

A temporary condition induced by consuming substances that can impair cognitive and physical functions.

Alcoholics Anonymous

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