英语高手来!
Thetablealsogivesanothert-testfortestingthenullhypothesisthattheregressioncoefficientiszero.Inthisexample,asisthecaseinmostapplications,wearenotinterestedintheintercept.Incontrast,theslopeparameterallowsustoassesswhetherhusbands'ageatmarriangeispredictablefromwives'ageatmarriange.Theverysmallp-valueassociatedwiththetestgivesclearevidencethattheregressioncoefficientdiffersfromzero.Thesizeoftheestimatedregrssioncoefficientsuggeststhatforeveryadditionalyearofageofthewifeatmarriange、thehusband'sagealsoincreasesbyoneyear(formorecommentsoninterpretingregressioncoefficientsseeChapter4).我只有这么多分了,帮忙翻译下,谢谢!
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