comprehensive analysis that contains all the analysis processes from cleaning to critical thinking till the actual analysis and the visualizations of the finding will be done professionally with reports & Docs of all things and a simple explanation of the results and the best course of action to be taken
the final analysis report will include
1) all changes were done to the data (data cleaning & preprocessing)
2) all the hypothesis was made and how it was confirmed through the analysis
3) visualizations of the findings so it is easily explained and demonstrated
4) recommendations on what decisions best to be made and how they will affect the business

the tools & skills are 

Data analysis (SQL & Python & Excel) 

Data Visualization (Tableau / Power BI)