Fifty samples of size 600 were drawn from a manufacturing process and the number of defectives in each sample was counted. The mean sample proportion was 0.025. The lower control limit for the 3-sigma p chart is© BrainMass Inc. brainmass.com June 3, 2020, 10:27 pm ad1c9bdddf
The solution provides step by step method for the calculation of 3 sigma control limits . Formula for the calculation and Interpretations of the results are also included.