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   _____    _____     ______   __   __            
  / ___//  |  ___||  /_   _//  \ \\/ //     ___   
  \___ \\  | ||__      | ||     \ ` //     /   || 
  /    //  | ||__     _| ||      | ||     | [] || 
 /____//   |_____||  /__//       |_||      \__ || 
`-----`    `-----`   `--`        `-`'       -|_|| 
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Text this: The effect of shift distribution on the design and performance of the X and CUSUM charts in monitoring mean and variability