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In a poll, 1,002 men in a country were asked whether they favor or oppose the use of "federal tax dollars to fund medical research using stem cells obtained from human embryos." Among the respondents, 48% said that they were in favor. Describe the statistical study.

What is the population in the given problem? Choose the correct answer below.
A. All men in the country 
B. The 1,002 men selected 
C. 48% of the 1,002 men selected 
D. 48% of all men in the country

Identify the sample for the given problem. Choose the correct answer below.
A. The 1,002 men selected 
B. 48% of the 1,002 men selected 
C. All men in the country 
D. 48% of all men in the country