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Problen I A study investigated the relationsklp between audit delay the length af time from a companys flacal zear-ens to the that were incluted in this stody follow: loun, or inownete cempany. huble: Adummy vartable coded 1 if the company was traded on an organised excharge or over the counter: otherwive coded 0 . frem "Virtuabr none" (1) to "estellect" (5) Finihed: A meanure raneine frem 1 to 4 , as iudend by the nufitser, where 1 indicates "all werk perfarmed A simple of 40 companies provided the dats on the left. (a) pevelap the estimated tegtesion equation usine all of the independent variasles included in the data. (b) How much of the variabion in the sample ralues af delwr dots this estimated retreisisn equation explain? Veu will find one independent variable that is not signifieane. Whicb varibble is this? (d) hemove the nonsibifican varialle and rus a hitw regrestion. (e) Glve the realeing regresion equation. Ne alf be independest variables sigificant now? We the reeression rquation in fel to ansaer the remainite questions: hew many div? Problen I A study investigated the relationsklp between audit delay the length af time from a companys flacal zear-ens to the that were incluted in this stody follow: loun, or inownete cempany. huble: Adummy vartable coded 1 if the company was traded on an organised excharge or over the counter: otherwive coded 0 . frem "Virtuabr none" (1) to "estellect" (5) Finihed: A meanure raneine frem 1 to 4 , as iudend by the nufitser, where 1 indicates "all werk perfarmed A simple of 40 companies provided the dats on the left. (a) pevelap the estimated tegtesion equation usine all of the independent variasles included in the data. (b) How much of the variabion in the sample ralues af delwr dots this estimated retreisisn equation explain? Veu will find one independent variable that is not signifieane. Whicb varibble is this? (d) hemove the nonsibifican varialle and rus a hitw regrestion. (e) Glve the realeing regresion equation. Ne alf be independest variables sigificant now? We the reeression rquation in fel to ansaer the remainite questions: hew many div