ch11 - 11-1CHAPTER 11 Section 11-211-1.

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Unformatted text preview: 11-1CHAPTER 11 Section 11-211-1. a)iiixy++=1348571.2542.15714432=-=xxS057143.5980.169714)572(43-=-=xyS&...&&(.)().1157214431459 057143253485712 3302 329801748 013==-= -=-=- -=SSyxxyxxb)xy1+=99.37)3.4(3298017.2012962.48=-=yc)39.39)7.3(3298017.2012962.48=-=yd)71.639.391.46=-=-=yye11-2. a) iiixy++=16.339918.1432152014782=-=xxS445.14167.108320)75.12)(1478(=-=xyS32999.))(0041617512.(00416.6.33991445.1412014782075.121=-====xxxySSxy00416.32999.+=00796.18143275.22==-==nSSMSEE0.10.20.30.40.50.60.70.8-5050100xyb)6836.)85(00416.32999.=+=yc)7044.)90(00416.32999.=+=yd)00416.1=11-211-3. a))32(0041612.3299892.59++=xyxyxy0074902.4631476.1331584.0074902.3299892.+=++=b)00749.1=11-4. a) Regression Analysis - Linear model: Y = a+bX Dependent variable: Games Independent variable: Yards -------------------------------------------------------------------------------- Standard T Prob. Parameter Estimate Error Value Level Intercept 21.7883 2.69623 8.081 .00000 Slope -7.0251E-3 1.25965E-3 -5.57703 .00001 -------------------------------------------------------------------------------- Analysis of Variance Source Sum of Squares Df Mean Square F-Ratio Prob. Level Model 178.09231 1 178.09231 31.1032 .00001 Residual 148.87197 26 5.72585 -------------------------------------------------------------------------------- Total (Corr.) 326.96429 27 Correlation Coefficient = -0.738027 R-squared = 54.47 percent Stnd. Error of Est. = 2.39287 7258.52=If the calculations were to be done by hand use Equations (11-7) and (11-8). 3000250020001500105xyS = 2.39287 R-Sq = 54.5 % R-Sq(adj) = 52.7 %y = 21.7883 - 0.0070251 xRegression Plotb)143.9)1800(0070251.7883.21=-=yc) -0.0070251(-100) = 0.70251 games won. d)35.1420070251.1=yds decrease required. e)321.8)1917(0070251.7883.21=-=y679.1321.810=-=-=yye11-311-5. a) Regression Analysis - Linear model: Y = a+bX Dependent variable: SalePrice Independent variable: Taxes -------------------------------------------------------------------------------- Standard T Prob. Parameter Estimate Error Value Level Intercept 13.3202 2.57172 5.17948 .00003 Slope 3.32437 0.390276 8.518 .00000 -------------------------------------------------------------------------------- Analysis of Variance Source Sum of Squares Df Mean Square F-Ratio Prob. Level Model 636.15569 1 636.15569 72.5563 .00000 Residual 192.89056 22 8.76775 -------------------------------------------------------------------------------- Total (Corr.) 829.04625 23 Correlation Coefficient = 0.875976 R-squared = 76.73 percent Stnd. Error of Est. = 2.96104 76775.82=If the calculations were to be done by hand use Equations (11-7) and (11-8)....
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This note was uploaded on 04/09/2008 for the course MTHSC 301 taught by Professor Any during the Spring '08 term at Clemson.

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ch11 - 11-1CHAPTER 11 Section 11-211-1.

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