Which of the Following Statements Is True About the PDCA

Which of the following statements is true about the PDCA cycle?

A) The most commonly used framework for guiding improvement is Shewhart's PDCA cycle.
B) The PDCA cycle creates a structure for incremental improvement processes that do not require . quantitative data in making decisions.
C) The CHECK stage is where the improvement becomes enterprise-wide.
D) The PDCA cycle describes the cycle products go through as their quality improves and then declines.