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# Note for STAT 641 at OSU

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COURSE
PROF.
No professor available
TYPE
Class Notes
PAGES
4
WORDS
KARMA
25 ?

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This 4 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at Ohio State University taught by a professor in Fall. Since its upload, it has received 16 views.

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Date Created: 02/06/15
715c We will analyze the data with the outlier removed observation Y2234O i Variance assumptions The residual plots of residual vs predicted and vs each factor show no indications of heteroscedacity Plot of ZYPRED Legend A 1 obs B 2 obs etc Z l 5 A A A AA A A A A AA AA A 2 A A A A A AA A A B A C A AB AAA B C C AA A BA AA B C A A l A BA A A AA A A AA A B A ABA A A A A B B A A AA A 4 A A A l 5 0 5 10 YPRED Plot of ZA Legend A l obs B 2 obs etc Z 5 B A C C C B 2 B C F D H J C I l E C H E D D B B 4 B A L l 2 Plot of ZB Legend A l obs B 2 obs etc Z I 5 A B B B wtn gtltd 2 B C C B C D D G A C E C l C A C A C D D B B B D A B A 4 B A I l 2 3 4 Plot of ZC Legend A l obs B 2 obs etc Z 5 A B A B C A B B 2 A A C E D A G I B E C D l B B D F C D B E A A C 4 TA B l 2 3 C 11 Independence assumption Order not given iii Normality Normal prob plot shows no serious departure from normality Plot of ZNSCORE Legend A l obs B 2 obs etc Z I 2438 AAA BCA CB 0975 DA BFB DJD GE O488 GA FFA DD AC l950 AAA 4 2 O 2 4 RANK FOR VARIABLE Z General Linear Models Procedure Dependent Variable Y Source DF Sum of Squares F Value Pr gt F Model 23 62658333333 489 00001 Error 71 39541666667 Corrected Total 94 102200000000 R Square CV Y Mean 0613095 5899814 400000000 Source DF Type III SS F Value Pr gt F A l 8260388128 1483 00003 B 3 42146444444 2523 00001 C 2 2224253941 200 01433 AB 3 194444444 012 09502 AC 2 083375563 007 09280 BC 6 8401749466 251 00290 ABC 6 2130916132 064 06996 For an OVERALL level of 05 we can conclude there is an A and machine B but no effects due statistically significant effect due to we note the fairly small pvalue for effect due to heat to time C nor any interaction However interaction of B and C d 7 10 AVY 3 2 l 5 3 2 1 l 2 l 0 Machine NOTE 3 obs hidden It appears machine 3 is most robust as the average lengths at each time C are closer than the average lengths at each time for the other machines Assuming the machines are identical in make and model a possible cause for the difference in robustness could be age of the machine or the operator f 8 Least Squares Means 95 95 Lower Upper Confidence Confidence B Limit Y LSMEAN Limit 1 2456149 3416667 4377185 2 5235384 6222222 7209061 3 0085518 0875000 1835518 4 4706149 5666667 6627185

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