507 / 879
S
TEP
4: O
BSERVE THE PROCESS
:
BUILD A FIRST CONTROL CHART
WITHOUT ANY CONTROL LIMITS
(I
NDIVIDUAL
V
ALUE CONTROL CHART
).
A
NALYZE
Control chart without limits
Monitored parameter: mean of throws’ lengths per sample.
Mean of throws’ lenghts/sample
Sample number (chronological order)
Date
Operator Sample # 1st throw 2nd throw 3rd throw 4th throw 5th throw
Comments
Sample mean
03/10/2017
1
#DIV/0!
03/10/2017
2
#DIV/0!
03/10/2017
3
#DIV/0!
03/10/2017
4
#DIV/0!
03/10/2017
5
#DIV/0!
Use the Excel spreadsheet
03/10/17
15