Based on the control chart from Table 5.3. What is the state of ths process ?

		unknown
		out of control
		in control

Samples of 100 checks each were taken at a bank from an encoding machine (which records the amount of a check) over a five-day period. Details are summarized in Table 5.3. If the bank were to use the average proportion defective from these five samples as the central line for a process control chart, what is the value of this central line?

		greater than 0.02 but less than or equal to 0.03
		greater than 0.03
		greater than 0.01 but less than or equal to 0.02
		less than or equal to 0.01

Samples of 100 checks each were taken at a bank from an encoding machine (which records the amount of a check) over a five-day period. Details are summarized in Table 5.3. If the bank were to use the average proportion defective from these five samples as the central line for a process control chart, which control chart is the bank using?

		p chart
		x-bar chart
		R chart
		c chart

Sample Number 1 Number Defective 1 4 2 AN 4 5 0