Excel Financial Data Analyst

I need an expert in Excel to perform descriptive statistics on a financial dataset. The analysis should include:

Statistical Measures:
- Mean and Median
- Percentiles and Quartiles

Data Visualization: No charts, graphs, or tables required, just the calculations.

Ideal Skills and Experience:
- Proficiency in Excel, especially with financial data
- Strong understanding of descriptive statistics
- Experience with mean, median, percentiles, and quartiles calculations

Please ensure accuracy and clarity in your calculations.