Question: Develop CUSUM and EWMA charts for the rainfall data of Exercise 21.6 considering the data for 1900 to 1930 to be the normal operating data.

Develop CUSUM and EWMA charts for the rainfall data of Exercise 21.6 considering the data for 1900 to 1930 to be the “normal operating data.” Use the following design parameters: K = 0.5, H = 5, and λ = 0.25. Based on these charts, do any of the next three decades appear to be abnormally dry or wet?

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The CUSUM and EWMA control charts for the period 19001960 are shown in figure The Shewhart and the d... View full answer

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