costacctg13_sm_ch10

Theregressionofnumberofsetuphoursandsetupcostsalsohasa

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Unformatted text preview: amine its own internal records on past jobs and seek informat ion fro m engineers, plant managers, and workers when deciding which learning curve better describes the behavior of direct manufacturing labor­hours on the production of the PT109 boats. 10­30 10­38 Regression; choosing among models. (chapter appendix) 1. Solution Exhibit 10­38A presents the regression output for (a) setup costs and number o f setups and (b) setup costs and number of setup­hours. SOLUTION EXHIBIT 10­38A Regressio n Output for (a) Setup Costs and Number of Setups and (b) Setup Costs and Number o f Setup­Hours SU MMA RY OUTP UT R egr es sio n Statistic s Multiple R 0. 58 073 64 R Sq uar e 0. 33 725 48 Ad jus te d R Sq uare 0.24 257 69 Stan dar d Er ror 28 720 .9 95 Obs erv ations 9 AN OVA d f Reg res s ion Res idu al To ta l 1 7 8 S S MS 293 8383 589 29 383 835 89 577 4269 011 8 248 955 73 871 2652 600 F Sig nifica nc e F 3.56 2128 0.1 010 667 87 In te rc ept Num b er of Se tup s Coe ffic ients S ta nda rd Er ror t S ta t P ­v alu e Lo wer 9 5% U ppe r 95% L ower 9 5.0% Upp er 95 .0 % 39 05.34 82 41 439.10 166 0.094 243 07 0.92 7557 ­ 940 82.556 56 101 893 .2 5 ­ 940 82.55 66 101 893 .2 529 41 0.090 94 21 7.2 828 325 1 .8 873 600 52 0.101 0668 ­10 3.7 013 17 923 .8 831 9 ­ 103 .7 013 17 92 3. 883 193 Multiple R R Sq uare Ad jus te d R S qu are Stan dar d E rr or Obs erva tio ns AN OVA 0. 923 210 231 0 .85 231 713 0. 831 219 577 13 557. 86 298 9 d f Reg res s ion Res idu al To ta l 1 7 8 SS 742 594 3061 128 670 9539 871 265 2600 MS F S ignific anc e F 74 2594 306 1 40.39 8862 24 0.0 003 8302 1 8381 564 8. 5 In te rc ept Num b er of S etup Ho urs Coe ffic ients Stand ard E rro r 3 348.71 803 12 878 .6 3428 5 6.2 692 934 8 .8 529 2724 t S ta t 0 .2 6002 120 7 6. 3560 099 3 P ­v alue L ower 9 5% Upp er 95% L owe r 9 5.0% Upp er 95.0% 0.80 232 966 ­ 2710 4.412 9 33 801 .84 9 ­27 104 .4 1289 3 3801 .8 49 0.00 038 302 3 5.3 354 470 1 7 7.2031 4 35 .3 354 4701 77 .2 0313 99 10­31 2. Solution Exhibit 10­38B presents the plots and regressio n lines for (a) number of setups ver...
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This note was uploaded on 10/11/2010 for the course ACCT 321 taught by Professor Cole during the Spring '10 term at University of Miami.

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