Which of the Following Yields a Stratified Sample

question 126

Multiple Choice

Which of the following yields a stratified sample?

• A)All students in a class are divided into groups of 15.One student is randomly chosen from the 1st group,the remaining observations are every 15th student thereafter.
• B)The best 15 students,according to the opinion of the instructor,in a class are selected.
• C)All students in a class are grouped according to their gender.A random sample of 8 is selected from the males and a separate random sample of 7 is drawn from the females.
• D)The first 15 students in a class are selected without replacement.

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Definitions:

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Measures or actions taken to stop the spread of infections or illnesses by breaking the chain of infection.

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Programs and strategies aimed at reducing gang involvement and violence among youth and communities.