Construct a 3-sigma x and R-chart for the length in centimeters of a part from the following table. Sample Observation Observation Observation Observation # 1 2 3 4 0.486 0.499 0.493 0.511 0.499 0.506 0.516 0.494 0.496 0.5 0.515 0.488 0.495 0.506 0.483 0.487 5 0.472 0.502 0.526 0.469 0.473 0.495 0.507 0.493 0.495 0.512 0.49 0.471 0.525 0.501 0.498 0.474 19 0.497 0.501 0.517 0.506 10 0.495 0.505 0.516 0.511 12pt v v BIU T v > > fill Dz To HH