Is there a significant difference in the average total debt between two of the industries? For the purpose of this question you can select the sample of companies in the dataset from two separate industries to compare (please choose two industries with n>50). 2. Disregarding companies that have zero net income, do companies from all industries with higher than average net income also have lower than average total debt? For this question remove companies with zero net income before analyzing the data. 3. Is there a significant difference in the revenue amongst the healthcare, energy and materials industries companies. summerize the indroduction part for this questions