Graded Homework 17

# Graded Homework 17 - Graded Homework 17 You have submitted...

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You have submitted this Homework 1 time (including this time). You may submit this Homework a total of 40 times and receive full credit. This homework will be due October 28 at 3am. This homework contains prediction/confidence interval questions and material pertaining to (violations of) assumptions about the error term, material that can be found on pages 75-79 in your course packet. Note: there is an equivalent version of the prediction and confidence interval formulas on your formula sheet compared to the reader page 78 and 79 you may find more helpful on a few of the problems. Question #1 It has been computed that the 95% confidence interval is [144.4, 154.2] for the average exam score when a student spent 10 hours on average per week studying for the class. The 90% prediction interval for a student who spent 10 hours on average per week studying for the class will be wider cannot be determined based on the provided information. narrower

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## This note was uploaded on 08/25/2009 for the course ECON 203 taught by Professor Petry during the Fall '08 term at University of Illinois at Urbana–Champaign.

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Graded Homework 17 - Graded Homework 17 You have submitted...

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