Graduation In October 2000 the U.S. Department of Commerce reported the results of a large-scale survey on high school graduation. Researchers contacted more than 25,000 randomly chosen Americans aged 24 years to see if they had finished high school; 84.9% of the 12,460 males and 88.1% of the 12,678 females indicated that they had high school diplomas. a) Are the assumptions and conditions necessary for inference satisfied? Explain. b) Create a 95% confidence interval for the difference in graduation rates between males and females. c) Interpret your confidence interval. d) Does this provide strong evidence that girls are more likely than boys to complete high school? Explain.

Things you should know Make sure your iclicker is registered so you can get your extra points towards your final grade. Final grade is rounded up Do not ask professor for extra points The final exam is MANDATORY for those who have missed either test 1, 2, or 3. Final exam will replace only one of your lowest test scores. The final exam can HURT or HELP you, decide carefully. Final Exam will be 50 questions To prepare there is a final exam practice test online. You will receive a formula sheet for the final Statistics tutoring center hours Wed. (04/27): 9:00-5:00pm Thursday. (04/28): 9:00 – 12:00pm, 1:00- 5:00pm Fri. (04/29): 4:00-6:0