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chapter 1

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Chapter 11: Multifactor Analysis of Variance3. x1 •= 927 , x2 •= 1301, x3 •= 1764 , x4 •= 2453 , x•1= 1347 ,•2= 1529x = 1677•3, x 1892 , x = 6445 , x 2 = 2,969, 375 ,( )•4=••ΣΣ ijx ,6445 2CF = = 2,596,126.56 , SSA = 324,082. 2 , SSB = 39,934.2,16SST = 373,248.4 , SSE = 9232. 0a.Source Df SS MS FA 3 324,082.2 108,027.4 105.3B 3 39,934.2 13,311.4 13.0Error 9 9232.0 1025.8Total 15 373,248.4Since F 6. 99 , both H oA and H oB are rejected.. 01,3,9=1025.8Q. 01,4,9= , w = 5 .96 = 95. 44b. 5. 96i: 1 2 3 4x : 231.75 325.25 441.00 613.25i •All levels of Factor A (gas rate) differ significantly except for 1 and 2c. w = 95. 4 , as in bi: 1 2 3 4x •: 336.75 382.25 419.25 473jOnly levels 1 and 4 appear to differ significantly.314

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