Question: 13.6. Consider the results in the previous exercise. (a) Marital status has three estimates. Dividing the coefficient of the divorced dummy variable by its standard

13.6. Consider the results in the previous exercise.

(a) Marital status has three estimates. Dividing the coefficient of the divorced dummy variable by its standard error yields a t statistic. What hypothesis does it test?

(b) What would you need to do to test the effect of marital status (all categories at once), controlling for the other variables?

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