Question

15.2 Spssx output With each hybrid automobile model, prepare a summary that does the following: 2. Interprets the directional of the relationship of each statistically significant independent variable with respect to the preference for the hybrid model concerned. Coefficients Sig Model Unstandardized Coefficients t Standardized Coefficients Std. Error Beta 000 13.795 6.981 506 3.694E-007 3.383 001 101 .000 -1.315 .098 .531 -13.442 .000 339 -115 .086 -2.953 .003 5 -.026 .004 -260 -6.220 .000 -219 042 -291 -5.207 000 3.073E-006 000 075 1.920 .055 .119 039 .164 3.016 .003 a. Dependent Variable: Desirability: 1 Seat Motorcycle Electric Model Summary Adjusted R Square Std Error of the Estimate 1.060 R Square R Model .266 516 258 1 516b .266 259 1.060 2 516 266 259 1.059 3 515 .265 1.059 259 4 264 259 1.060 5 514 Coefficients Sig. Standardized Model Unstandardized Coefficients Coefficients Beta Std. Error 000 11.604 280 3.253 .000 .000 374 13.988 1.701E-006 000 -.172 4.984 107 -532 .000 .127 313 12.132 1.536 5 005 -112 .002 -3.032 .014 .000 -.123 -3.656 000 -6.277E-006 .052 415 480 .000 9.295 044 -623 000 564 -12.733 a. Dependent Variable: Desirability: 2 Seat Runabout Sport Electric Model Summary Adjusted R Square Std Error of the Estimate 1.172 R Square R Model 652 425 418 425 652 419 1.171 425 .652e 3 419 1.171 651 650 424 419 1.171 422 5 418 1.172 Sig. Unstandardized Coefficients Model Standardized Coefficients Std, Error Beta 002 3.080 2.073 .673 000 -5.611 -140 7.911E-007 .000 .000 -11.768 384 -1.479 .126 1.830 .067 318 052 .174 010 -2.572 .057 074 -.147 3 .000 ,005 -619 -17.725 -.096 396 465 .061 7.591 000 .000 .178 .000 -1.137E-005 -5.503 .068 -441 -306 -6.520 000 .056 657 583 11.710 .000 a. Dependent Variable: Desirability: 2 Seat Runabout Hatchback Gasoline Hybrid Model Summary Adjusted R Square Std. Error of the Estimate 1.359 R Square R Model 707 .500 494 707 .500 2 495 1.359 707 499 3 495 1.359 Coefficients Sig. t Unstandardized Coefficients Model Standardized Coefficients Std. Error Beta 000 -7.100 -4.315 608 .000 11.371 282 1.476E-006 000 .000 4.037 132 469 ,116 .006 -2.742 .078 -440 ,161 .119 000 4.145 220 .053 3 .056 .005 391 11.244 .000 .052 ,139 004 151 2.893 000 1.991E-005 338 10.459 000 .048 .182 .175 .000 3.809 .086 .036 -.074 .017 -2.385 a. Dependent Variable: Desirability: 4 Seat Economy Diesel Hybrid Model Summary Adjusted R R Square R Square Std. Error of the Estimate Model 707 ,500 A94 2 707b 1.257 500 495 1.257 707 499 495 1.256 Coefficients Model Unstandardized Coefficients Sig. Standardized t Coefficients B Std. Error Beta 1.222 000 302 4.049 -7.532E-007 .000 000 -5.905 .175 275 .113 2.439 ,015 094 131 .044 2.948 003 .086 055 005 465 11.050 .000 -6.185E-006 .000 -.128 -3.463 .001 -087 .044 -.080 -1.993 .047 120 .032 152 3.770 ,000 a. Dependent Variable: Desirability: 5 Seat Economy Gasoline Model Summary Adjusted R Square Std. Error of the Estimate R Square Model 507 258 249 1.259 507 2 258 250 1.258 507 3 258 251 1.257 507 4 257 251 1.257 505 5 255 250 1.258

Answer 1

The sign of beta coefficient tells the directional of the relationship between the independent variable and the dependent variable in the model.