Which of the following is correct and most complete? a. The in EWMA charting can be

Which of the following is correct and most complete?

a. The λ in EWMA charting can be adjusted based on a desire to detect small shifts slowly or big shifts more quickly.

b. EWMA generally detects large shifts faster than Xbar & R charting.

c. EWMA is particularly relevant when critical characteristics correlate.

d. All of the above are correct.

e. All of the above are correct except

(a) and (d).