Description
Attached is a problem dealing with glue drying (a process that can be measured). Also included is an answer sheet, Steps to follow, and Three Sigma table. Put your answers on the answer sheet. Must show formulas to get the answers to receive credit.
Unformatted Attachment Preview
A quality inspector took five samples, each with four observations (n = 4), of the length of time for
glue to dry. All values are in minutes. Use this information to obtain three-sigma (i.e., z = 3) control
limits. Construct three sigma mean and range charts. Determine if corrective action is needed.
Chapter 10 Glue Drying Problem – Answer Sheet
X double bar _______________
R bar
________________
UCL x bar
_______________ Show calculation: ____________________________
LCL x bar
_______________ Show calculation: ____________________________
UCL R
_______________ Show calculation: ____________________________
LCL R
_______________ Show calculation: ____________________________
Using X bar, Is the process in control ______________________ If not, what is the problem
_____________________________________ Draw a graph showing your answer.
Using R, Is the process in control ______________________ If not, what is the problem
_____________________________________ Draw a graph showing your answer.
Purchase answer to see full
attachment
