Please answer the question above, with respect to the data below - thank you :)

ln Hprice is the dependant variable - not listed in data below

(iv) Find the level of DIST at which the marginal effect of increased DIST on InH Price changes its sign (that is, from positive to negative or negative to positive). State all relevant steps. (2 marks) SUMMARY OUTPUT Regression Statistics Multiple R 0.799267786 R Square 0.638828993 Adjusted R Square 0.633752292 Standard Error 0.247674493 Observations 506 ANOVA df SS MS F Significance F 7.2937E-106 7 125.83546 Regression Residual Total 54.03356814 30.54864201 84.58221015 7.719081163 0.061342655 498 505 Intercept NOX Nox^2 DIST Coefficients Standard Error t Stat P-value 5.090210274 0.46725459 10.89386896 6.2118E-25 -0.235257428 0.125815372 -1.869862356 0.062089438 0.00655628 0.009594889 0.683309687 0.494728951 -0.107258945 0.030645687 -3.499968703 0.000507085 0.005682441 0.002493538 2.278866694 0.023097436 1.411031798 0.109349154 12.90391142 4.55149E-33 -0.048381598 0.006143217 -7.875612273 2.14102E-14 -0.014095467 0.001500048 -9.39667551 2.03299E-19 Lower 95% Upper 95% Lower 95.0% Upper 95.0% 4.172176966 6.008243582 4.172176966 6.008243582 -0.482451794 0.011936938 -0.482451794 0.011936938 -0.012295171 0.025407732 -0.012295171 0.025407732 -0.167469721 -0.047048169 -0.167469721 -0.047048169 0.000783289 0.010581593 0.000783289 0.010581593 1.196189252 1.625874344 1.196189252 1.625874344 -0.060451417 -0.03631178 -0.060451417 -0.03631178 -0.017042671 -0.011148264 -0.017042671 -0.011148264 DIST^2 InROOM STRatio CRIME (iv) Find the level of DIST at which the marginal effect of increased DIST on InH Price changes its sign (that is, from positive to negative or negative to positive). State all relevant steps. (2 marks) SUMMARY OUTPUT Regression Statistics Multiple R 0.799267786 R Square 0.638828993 Adjusted R Square 0.633752292 Standard Error 0.247674493 Observations 506 ANOVA df SS MS F Significance F 7.2937E-106 7 125.83546 Regression Residual Total 54.03356814 30.54864201 84.58221015 7.719081163 0.061342655 498 505 Intercept NOX Nox^2 DIST Coefficients Standard Error t Stat P-value 5.090210274 0.46725459 10.89386896 6.2118E-25 -0.235257428 0.125815372 -1.869862356 0.062089438 0.00655628 0.009594889 0.683309687 0.494728951 -0.107258945 0.030645687 -3.499968703 0.000507085 0.005682441 0.002493538 2.278866694 0.023097436 1.411031798 0.109349154 12.90391142 4.55149E-33 -0.048381598 0.006143217 -7.875612273 2.14102E-14 -0.014095467 0.001500048 -9.39667551 2.03299E-19 Lower 95% Upper 95% Lower 95.0% Upper 95.0% 4.172176966 6.008243582 4.172176966 6.008243582 -0.482451794 0.011936938 -0.482451794 0.011936938 -0.012295171 0.025407732 -0.012295171 0.025407732 -0.167469721 -0.047048169 -0.167469721 -0.047048169 0.000783289 0.010581593 0.000783289 0.010581593 1.196189252 1.625874344 1.196189252 1.625874344 -0.060451417 -0.03631178 -0.060451417 -0.03631178 -0.017042671 -0.011148264 -0.017042671 -0.011148264 DIST^2 InROOM STRatio CRIME