This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: igno r i n g the in t e r ac t i o n 15:19 Wednesday , May 7, 2008 33 The GLM Procedure Number of Observa t i o ns Read 12 Number of Observa t i o ns Used 12 igno r i n g the in t e r ac t i o n 15:19 Wednesday, May 7, 2008 34 The GLM Procedure Dependent Var iab l e : carbonat i o n Sum of Source DF Squares Mean Square F Value Pr > F Model 2 334.0657479 167.0328739 185.04 <.0001 Erro r 9 8.1241521 0.9026836 Correc t ed Tota l 11 342.1899000 RSquare Coef f Var Root MSE carbonat i o n Mean 0.976258 11.95842 0.950097 7.945000 Source DF Type I SS Mean Square F Value Pr > F tempera tu r e 1 109.9644500 109.9644500 121.82 <.0001 pressure 1 224.1012979 224.1012979 248.26 <.0001 Source DF Type I I I SS Mean Square F Value Pr > F tempera tu r e 1 4.5815880 4.5815880 5.08 0.0508 pressure 1 224.1012979 224.1012979 248.26 <.0001 Standard Parameter Est imate Erro r t Value Pr >  t  In t e r cep t  147.4891892 21.35719240  6.91 <.0001 tempera tu r e 1.7187645 0.76291494 2.25 0.0508 pressure 4.5569884 0.28921679 15.76 <.0001 Questions: a) What are the null and alternative hypotheses for the t –test having value 2.25 for temperature? What is the conclusion of this test? b) Can we conclude pressure has a significant linear effect on carbonation at the 0.05 level? The 0.01 level? c) What proportion of the variation in carbonation is explained by the variation in...
View
Full
Document
This note was uploaded on 07/25/2008 for the course STT 422 taught by Professor Porter during the Summer '08 term at Michigan State University.
 Summer '08
 PORTER

Click to edit the document details