chapter13 - 1 Chapter 13 131. Analysis of Variance for Wear...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Chapter 13 131. Analysis of Variance for Wear Source DF SS MS F P CS 2 0.0317805 0.0158903 15.94 0.000 DC 2 0.0271854 0.0135927 13.64 0.000 CS*DC 4 0.0006873 0.0001718 0.17 0.950 Error 18 0.0179413 0.0009967 Total 26 0.0775945 132. Analysis of Variance for Finish Source DF SS MS F P Drying 2 27.4 13.7 0.01 0.986 Paint 1 355.6 355.6 0.38 0.601 Drying*Paint 2 1878.8 939.4 5.03 0.026 Error 12 2242.7 186.9 Total 17 4504.4 133.- 23 . 93 1- 2 5 . 15 134. Analysis of Variance for Strength Source DF SS MS F P operator 2 2.250 1.125 0.29 0.759 machine 3 28.833 9.611 2.46 0.160 operator*machine 6 23.417 3.903 0.84 0.565 Error 12 56.000 4.667 Total 23 110.500 135. The results would be a mixed model. The test statistics would be: Effect F Operator 0.241 Machine 2.46 Operator * Machine 0.84 There is no change in conclusions. 2 136. Analysis of Variance for time Source DF SS MS F P operator 2 0.01005 0.00503 0.07 0.937 engineer 1 0.04688 0.04688 0.62 0.512 operator*engineer 2 0.15005 0.07503 1.26 0.350 Error 6 0.35785 0.05964 Total 11 0.56483 137. Analysis of Variance for current Source DF SS MS F P glass 1 14450.0 14450.0 273.79 0.000 phos 2 933.3 466.7 8.84 0.004 glass*phos 2 133.3 66.7 1.26 0.318 Error 12 633.3 52.8 Total 17 16150.0 138. 3 There does not appear to be a problem with constant variance across levels of either factor. 139. Analysis of Variance for strength Source DF SS MS F P Conc 2 7.7639 3.8819 10.62 0.001 Freeness 2 19.3739 9.6869 26.50 0.000 Time 1 20.2500 20.2500 55.40 0.000 Conc*Freeness 4 6.0911 1.5228 4.17 0.015 Conc*Time 2 2.0817 1.0408 2.85 0.084 Freeness*Time 2 2.1950 1.0975 3.00 0.075 Conc*Freeness*Time 4 1.9733 0.4933 1.35 0.290 Error 18 6.5800 0.3656 Total 35 66.3089 4 1310. Estimated Effects and Coefficients for warpage (coded units) Term...
View Full Document

This homework help was uploaded on 04/09/2008 for the course ENGR, STAT 320, 262, taught by Professor Harris during the Spring '08 term at Purdue University-West Lafayette.

Page1 / 16

chapter13 - 1 Chapter 13 131. Analysis of Variance for Wear...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online