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| | 1. | What
type of graph should be used if the principal divided the responses into 3 sets (born in San Antonio,
born in Texas, born outside Texas) and he wanted to show the percentage of each group?
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| | 2. | A
high school in Des Moines, IA wants to replace the soda in their vending machines with fruit juices.
A survey was taken asking every 10th student that bought a soda what type of fruit juice they would
prefer. Would this sample be representative of the school’s population?
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| | 3. | Assuming that 75% of the students buy soda, and 75% of those surveyed said that they
preferred apple juice, would you be able to claim that most of the students preferred apple
juice?
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| | 4. | A
school in San Antonio, TX wants to know how many students were born in another city. The principal
asked 10 students with Hispanic names from each class. Would this sample be representative of the
school’s population?
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