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Regression for Sale Unit of Men’s Wallet Essay Preview: Regression for Sale Unit of Men’s Wallet Report this essay Group Assignment:Regression for Sale Unit of Men’s WalletGroup AAi Huanhuan 14210690645Chen Lijuan 15210690175Gao Yuyang 15210690240Hong Sha 15210690278Li Yishan 15210690374Wang Dan 15210690510Kyungrok Kim 15210690747Kim Bokyung 15210690767Background and IntroductionNowadays E-commerce is becoming more and more popular and increasing.