For planning students financial aid, the university Financial Aid office needs to know how much a student has spent on textbooks this quarter. Since contacting all students would be very time consuming, they decide to contact a representative group of one hundred students to get this information. Each student totals the amount he or she spent for textbooks this quarter and gives this number to the Financial Aid office. The Financial Aid office calculates that the average spent per student is $385.62   What is the variable? What is the data? What is the population?

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