Chih wants to find out how the seniors at his high school feel about the new plans for graduation this year. Due to time constraints, he can’t survey everyone, so what is the best way for Chih to make sure his data is representative of the seniors in
his school?
a. Survey all students who are 18 years of age.
b. Obtain a list of seniors and randomly select 50 of them.
c. Survey the first 50 seniors in an alphabetical list.
d. Survey all students who show up to the protest about the new graduation plans.
Answer: B
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