Analyzing the data points circled, performance variation is likely attributed to the violation of which control chart criteria?

A) 8 points in a row below Center Line (CL)

B) 4 or 5 points between +1 and +2

C) 4 or 5 points between -1 and -2

D) One point below Lower Control Limit (LCL)

Figure 2: Falls per 1,000 Patient Days