b$.$ Based on your p$-$chart and the data from the last $3$ weeks, what can you conclude about the absenteeism of nurses' aides?

A$.$ The proportion of absent aides from day $13$ is above the upper control limit$,$ so the process is not in control.

B$.$ All sample proportions are within the control limits$,$ so the process is in control.

C$.$ The proportion of absent aides from day $14$ is above the upper control limit$,$ so the process is not in control.

D$.$ The proportion of absent aides from day $15$ is below the lower control limit$,$ so the process is not in control.