Hello ,my name is joy and i am a data analyst with over 3 years experience , i am familiar with the use of Excel, python , SQL, excel pivot table and pivot chat, BI tools such as tableau and power BI for data visualization , i can carry out the following task:

1. Clean and preprocess data to remove errors, inconsistencies, or missing values.
2. Perform exploratory data analysis(EDA) to identify patterns, trends, and relationships in datasets. Apply statistical techniques and data mining methods to extract meaningful insights and derive actionable recommendations to improve sales.
3. Develop clear and concise reports, dashboards, and visualizations to present data analysis findings to stakeholders to improve business performance. Communicate insights effectively, translating complex data into understandable and actionable information.
4.  Create visually appealing and informative charts, graphs, and infographics using tools like Excel and Tableau to effectively communicate data-driven insights. Use data visualization tools and techniques to enhance the understanding of complex information in business processes.
5.  Apply statistical methods and techniques, such as descriptive statistics, regression analysis, hypothesis testing, and predictive modeling, to analyze data and draw valid conclusions. Provide statistical support for research projects or business initiatives.