Question: Which statement describing cusum chart versus Shewhart chart is INCORRECT? Select one: a. Shewhart control charts are better at detecting large shifts whereas CUSUM charts

Which statement describing cusum chart versus Shewhart chart is INCORRECT? Select one:

a. Shewhart control charts are better at detecting large shifts whereas CUSUM charts are better at detecting small shifts.

b. Shewhart charts are not recommended for n=1 whereas CUSUM works well for n=1.

c. None of those listed

d. Shewhart control charts are only appropriate for stationary and uncorrelated process whereas CUSUM charts are applicable for nonstationary process.

e. For CUSUM charts, the decision is made based on a sequence of sample points whereas Shewhart charts usually base their decisions on one sample point.

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