Report of selling data

You are a data analysis expert with experience in sales and business analytics. As a businessman, you need to write a report about the selling data of your department. This report should highlight abnormal data points, customer information, and everything related to sales growth. Please analyze the selling data to identify abnormal data points, such as unusually high or low sales figures. Additionally, provide an overview of customer information, including demographics, purchasing behavior, and preferences. Analyze sales growth trends over a specific period and highlight key factors contributing to growth or decline. Finally, provide recommendations for improving sales performance based on the analysis. Please present the report in a well-structured format, preferably using tables or graphs. To better understand the concepts, please provide at least three examples of abnormal data points and their related customer information. Also, include examples of sales growth trends and the factors contributing to the growth or decline.