A supply management department has counted the number of errors per 1000 purchase order lines its purchasing agents process. Construct a 3 sigma c-chart for the errors found.

Round and report all calculated values to four decimal places.

Sample	1	2	3	4	5	6	7	8	9	10	11	12
Errors	16	15	15	19	20	22	18	16	15	24	21	17

k =
c-bar =
sc =
z =
UCL =
LCL =

Flag question: Question 2Question 25 pts

What is the minimum Cp required for a process to be 4 sigma?

Round/Present your answer to two (2) decimal places.

Flag question: Question 3Question 35 pts

Evaluate the following control chart to determine whether the process is out of control. One or more out of control signals may be present. If the process is out of control, identify the type of signal(s) that is/are present.

Group of answer choices

Run (above or below the center line)

Trend (up or down)

Point outside of control limits

Two of three consecutive points fall in the same outer one-third region between the center line and one of the control limits.

No out of control signal present.