Data Analytics for Organisational Development by Uwe H. Kaufmann & Amy B. C. Tan

Data Analytics for Organisational Development by Uwe H. Kaufmann & Amy B. C. Tan

Author:Uwe H. Kaufmann & Amy B. C. Tan [Kaufmann, Uwe H.]
Language: eng
Format: azw3
ISBN: 9781119758372
Publisher: Wiley
Published: 2021-07-27T00:00:00+00:00


Figure 3.9 Time Series Plots of Spacer Data for all Suppliers

Supplier C offers a surprise for us. Even without consulting a control chart (Kaufmann, 2018) – the proper tool for identifying disturbances, signals, in processes – it becomes clear that Supplier C data consist of two batches. Batch one ends at around data point 31. It is a good assumption that something must have happened between batch one and batch two. The change in average is very apparent in the moving average plot in Figure 3.10.



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