Statistical Process Control problem

Question 3

Statistical Process Control

You own and operate a restaurant and you decided to track meal temperatures using statistical process control.

Given:

Complete this data table:

( Day Readings in Degrees F Range X-Bar 1 140 145 150 2 140 140 145 3 150 155 160 4 160 160 155 5 180 140 160 6 130 130 130 7 160 150 150 8 145 165 125 9 125 125 125 10 150 145 145 Avg. Range (R-Bar) Avg. Mean (X Double-Bar) )

Calculate your X-Bar Chart Limits (LCL, UCL, Center)

Calculate your Range Chart Limits (LCL, UCL, Center)

Draw your X-Bar and R Charts and describe what the data is telling you (any out of control points?)