For the given sample size with the control limits for 3-sigma x chart are:

A) Upper control limit = ___ lb. (three decimal places)

Lower control limit = ____ lb. (three decimal places)

The limits for the 3-sigma R-chart are:

B) Upper control limit = ___ lb. (three decimal places)

Lower control limit = ____ lb. (three decimal places)

please answer bothe parts A&B

Problem bs.3 Refer to I-85.1. Factors for Computing Control Chart Limits (3 sigma) for this problem, Thirty-five samples of size 7 each were taken from a fertilizer-bag-filing machine at Panos Kouvelis Lifelong Lawn Lid. The results were: Overall mean - 54.75 ib: Average range R = 1.54 lb. Mean Factor, Sample Size, n A2 2 3 4 5 6 7 8 9 10 12 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 Lower Range, D3 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 Print Done