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Assuming this textbook inflation rate continues, the current annual cost of college textbooks in 2015 should be about $1339 on average. Saving Money on the Cost of College Textbooks There are several methods of saving money on textbook costs.he cost of textbooks varied by as much as $200 higher or lower depending on the type of college, with less-than-2-year programs having lower textbook costs than 2-year and 4-year programs.
But incidentals, such as textbook costs, are rarely considered. A researcher at Drummand University wishes to estimate the textbook costs of first-year students at Drummand. To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $300 per semester. 1.1 Identify the population of interest to the researcher. a) all Drummand University students c) all first-year Drummand University students.