FINAL DRAFT (Feb

One semester, the TA for a math class decided to time how long it took her students to finish their Final Exam. Below is a histogram of the results. Use this graph for questions 4-6. 4. About how many students took longer than 90 minutes to finish their test? a) About 5. b) About 10. c) About 20. d) About 105. 5. Where is the center of this graph? ................
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