Qi. Use the data to test the hypothesis that the error variance is heteroskedast

Question

Qi. Use the data to test the hypothesis that the error variance is heteroskedastic or not using White's test. [Generate the output and test the hypothesis.] CM is the dependent variable, all the other variables are the independent variable. 246 FLR PGNP TER 330 120 5.89 190 140 | 6.25 310 2906.19 202 300 280 130 6.15 22 22 262 230 22 224 23 900 I 5.13 530 6.5 200 | 4106.09 240 300 5.83 580 1010 30 1150 1150 7.41 31 223 230 2008.49 270 | 780 I 5.66 18706.66 1310 | 4.88 | 4206.5 13407.17 456706.19 220 | 300 1080 | 420 | 8640| 900 I 5.99 230 2.36 560 6.16 1470 3.89 198305.23 1420 7.28 430 65 570 6.25 66 16203.91 675607.2 80 20503.81 1160 930 | 4430 | 1270 I 4240 | 83 270 3.25 420 | 130014.82 3630 | 630 | 1180 I 3.93 87 30206.66 88 670 I 3.52 88 17303.46 88 2090 1730 437o 2.86

Explanation / Answer

ho: there is no significant difference in the variances between 2 groups

h1: there is significant difference in the variances between 2 groups

wih F = .064 and p-value > 0.05, i fail to reject ho and conclude that there is no significant difference in the variances between 2 groups. that is error variance of the dependent variable is equal across groups.

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