DESIGN OF DECISION SUPPORT SYSTEMS TO DETERMINE SELLING PRICES OF SAND WITH SIMPLE LINIER REGRESSION WEB-BASED METHOD IN PT. BATANGHARI PERSADA MAKMUR JAMBI

Winata, Wiken (2021) DESIGN OF DECISION SUPPORT SYSTEMS TO DETERMINE SELLING PRICES OF SAND WITH SIMPLE LINIER REGRESSION WEB-BASED METHOD IN PT. BATANGHARI PERSADA MAKMUR JAMBI. Skripsi thesis, UNAMA.

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Abstract

PT. Batanghari Persada Makmur Jambi is a company located in the Jambi area and is engaged in the business of selling silica sand. The many types of sand sizes that have different selling prices cause problems, namely the difficulty in determining an accurate selling price for each type of sand size so that there will be uncertainty in determining the appropriate price, in addition if there are changes in production costs and profit determination, the manual way of pricing is very inefficient. Therefore, this study aims to provide a solution to the problems that occur by offering a decision support system to determine the selling price of sand using the PHP programming language and MySQL database. The author develops systems with the waterfall method and uses a system model approach to unified model language using usecase diagrams, activity diagrams, class diagrams and flowchart diagrams. The new system produces output that can display sand data, order data, admin profile data, customer data, sand price data, and sand price calculations using the Simple Linear Regression method. computerized system design will help company operations more efficiently.

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