The following table contains the measurements of the key length dimension from a fuel injector. These samples of size five were taken at one- hour intervals.

Construct a three-sigma X-chart and R-chart for the length of the fuel injector. What can you say about this process?

Transcribed Image Text:

19191645672200336512 4554455454455 5|82288008199210129791 14879314612651104574 4 19 8 8 69770|9020188890 .5 4 4 4 4 4 4 4 554555544445 6 7993360 8 0) 6 0 6 2 5 2 1 1 5 2 921665 2--> 0 0 0 0 9 1 0 0 0 8 5 1 2 1089 .4 5 5 5 5 4 5 5 5 5 4 4 5 5 5 5 4 454 69652355755317337519 1-89 9 9 7792 9 9 9 8 2 8977 110 4455 1234567890123456 7890