02-22-2011 Paired Sample

# 02-22-2011 Paired Sample - ConnectQuizNo.1...

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2/22/2011 1 Connect Quiz No.1 It opened Monday, February 21 at 7:00 p.m. It closes Thursday, February 24 at 6:00 p.m. There are 20 individual problems. Some problems have multiple parts. You have two 2 hour periods to complete it. A lot of the problems are of the type that you see in the Worked Out Problems section on my web site. After you finish and submit your first session, you will receive your score but no feedback. When you open your second session, you will see which items you got wrong. You can work on these during your second session. Feedback is not available until the quiz officially closes. Material for Exam 1 (Exam 1 is through February 16.) Lectures 1 8 and the following text material: Chapter 8, pages 294 318: Sampling distributions; confidence intervals for one mean Chapter 9, pages 340 365: One sample hypothesis tests Chapter 10, pages 390 401; 404 409 Two sample hypothesis tests – comparing two means: Independent samples: pages 390 401 Paired samples: pages 404 409 Exam 1: Friday, February 25, 3:30 5:30 p.m. Where to go for Exam 1? I’ll announce this on Wednesday or through a mass e mail. Bring your student ID. Bring a calculator that works. Bring pencils and erasers. All necessary formulas will be provided. You will not be asked to calculate long formulas like the one for degrees of freedom on page 394. I will give you the necessary tables: z and t (as they appear on my web site). Make no marks on the tables. If you do, the cost is 25 cents per table or 2 points off the exam for each table marked. This is one good reason to bring and use pencils and erasers.

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