stat512prob1

# stat512prob1 - Statistics 512 Problem Set Number 1...

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Statistics 512: Problem Set Number. 1 Divisions 2 & 3: Due Tuesday, September 7, 2010 EPE & PTR: Due Wednesday, September 8, 2010 A reminder – Please do not hand in any unlabeled or unedited SAS output. Include in your write-up only those results that are necessary to present a complete solution. In particular, questions must be answered in order (including graphs), and all graphs must be fully labeled (main title should include question number, and all axes should be labeled). Don’t forget to put all necessary information (see course policies) on the first page. Include the SAS input for all questions at the very end of your homework. You will often be asked to continue problems on successive homework assignments. So save all your SAS code. 1. A regression analysis relating test scores ( Y ) to training hours ( X ) produced the following fitted question: ˆ y = 25 - 0 . 5 x . (a) What is the fitted value of the response variable corresponding to x = 7?

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