This report analyzes the falling sales and profit margins of ABZ Corporation and provides suggestions based on statistical tests conducted on customer data. The report includes findings on variance, covariance, independent sample t-test, z-score, chi-square test, correlation analysis, and regression analysis. The results suggest that sales and profit margins are interlinked, and the company should aim to improve sales to increase profitability. There are no significant gender differences with regards to amount spent, and the type of customer and purchase are not dependent on each other.