Discuss the effect of ? on the behavior of the control limit

Reference no: EM131297569

1. Consider a process with µ₀ = 10 and σ = 1. Set up 3σ EWMA control charts for λ = 0.1, 0.2, and 0.4. Discuss the effect of λ on the behavior of the control limits.

2. The data below come from a process with two observable quality characteristics. The data are the means of each characteristic, based on a sample size of n = 25. The nominal values and covariance matrix are

Construct the T₂ control chart using these data.

Reference no: EM131297569

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