# 8.2.3.1.1 - Video Example: Book Costs

8.2.3.1.1 - Video Example: Book CostsResearch question: Does the average Penn State student spend more than \$300 each semester on textbooks?

In a sample of 226 Penn State students, the mean cost of a studentâ€™s textbooks was \$344 with a standard deviation of \$106.