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  ____       ___      ______    ______    ______  
 |  _ \\    / _ \\   /_____//  /_   _//  /_   _// 
 | |_| ||  / //\ \\  `____ `    -| ||-   `-| |,-  
 | .  //  |  ___  || /___//     _| ||_     | ||   
 |_|\_\\  |_||  |_|| `__ `     /_____//    |_||   
 `-` --`  `-`   `-`  /_//      `-----`     `-`'   
                     `-`

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Text this: Effectiveness study of a new type of control chart for process quality control : the synthetic control chart