Find the control limits for an X-bar and R chart if a new improved process has average of 25.0 lbs. and R-bar of 1.0 lbs. Assume n=9 for new process control. No graph needed.
Estimate the amount of credit ($) must be given to DCI (for the past 24 months) if it purchased 10,000 bags per month at cost of $3 per lb.