Candy Crunchers wants to see if their new candy is enjoyed more by high school or middle school students. They decide to visit one middle school and one high school in Miami, FL. After interviewing 100 students at each school, they determine that high school students like their candy more than the middle school students do. What is the sample of the population?

Question

06-08-2017
Mathematics

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Candy Crunchers wants to see if their new candy is enjoyed more by high school or middle school students. They decide to visit one middle school and one high school in Miami, FL. After interviewing 100 students at each school, they determine that high school students like their candy more than the middle school students do. What is the sample of the population?

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peterdaly peterdaly · Answer 1 · 2017-08-17T22:20:28+02:00

The sample % of these two populations would be 100/size (of student body at each school) x 100 so this would compare the two student bodies preferences for the particular type of candy bar. However, the actual % of the whole student body at each school would be a factor also. If the high school only had 200 students then this would be 50% representative but if the middle school had say 500 students this would only be 20% representative so this would have to be taken into account too. It might be more representative to have the same % of the student bodies respectively for the sample.