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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