PO firms Debt ratio statistics are mean2.stor 3, 200 SEO firms Debt ratio statistics are mean 5.stder A No200 The resulting two-sample t-statistics for IPO and SEO VOSSB. Test the null hypothesis that IPO and SEO firms are not different in terms of the average Debt ratio using a two-sample t-test with t-state AB and 5% space level. For the t-test you can use the critical value of approximately 2. 25 The null hypothesis that the mean Debt ratio is the same for IPO and SEO REJECTED. SEO firms have on average lower Debt ratio 18 The null hypothesis that the mean Debt ratio is the same for IPO and SEO NOT REJECTED. The null hypothesis that the mean Debt ratio is the same for IPO and SEO is REJECTED. SEO firms have on average higher Debt ratio. None of the above