Q4 Statistcal Process Control
A set of data has been collected and evaluated for process failures using Statistical Process Controls. After the quantitiate analysis had been completed, several observations were made.
Questions: Both tell you answer and explain/justify it.
a) If no values are outside of the control limits, what are the implications for the business and what would you recommend they do?
b) If 10% of the values are outside of the +/-1 standard deviation control limits, what are the implications for the business and what would you recommend they do?
c) If 10% of the values are outside of the +/-3 standard deviation control limits, what are the implications for the business and what would you recommend they do?
d) If 10% of the values are higher than the +3 standard deviation control limit and no values are below the -3 standard deviation control limit, what are the implications for the business and what would you recommend they do?