what is the right way to use a seasonal control chart can you use a seasonal chart as an indicator of revenue what is a control chart for sales what type of model is used to create a seasonal control chart to show what is happening with a positive trend? when to use seasonal data which model should be used to measure revenue how to use seasonal ewma chart for revenue data what is the appropriate way to use the ewma chart can i use a seasonal revenue chart to monitor sales why use a seasonal control charts what is the purpose of an ewma model do control charts need to be adjusted for seasonal data when does seasonal data need to be controlled which model best represents seasonal sales what model are used in seasonal data what model to use when using seasonal data what type of chart is used to monitor annual revenue what is the best model to use for tracking seasonal revenue? can an ewma be used to predict revenue what model should be used to measure seasonal revenue