21.06.2013 Views

La Regressione Multipla - DSE

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<strong>Regressione</strong> multipla in GRETL<br />

Modello 1: Stime OLS usando le 420 osservazioni 1-420<br />

Variabile dipendente: testscr<br />

Errori standard robusti rispetto all'eteroschedasticità, variante HC1<br />

VARIABILE COEFFICIENTE SE t-STAT 2Prob(t>|T|)<br />

0) const 686.032 8.72822 78.599 < 0.00001 ***<br />

9) str -1.10130 0.432847 -2.544 0.011309 **<br />

11) PctEL -0.649777 0.0310318 -20.939 < 0.00001 ***<br />

TestScore = 696.0 – 1.10×STR – 0.65PctEL<br />

(8.72) (.43) (0.03)<br />

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