Inspection results of video-of-the-month shipments to customers for 25 consecutive days are given in the fol- lowing table. What central line and control limits should be established and posted if it is assumed that any out- of-control points have assignable causes? The number of inspections each day is constant and equals 1750.

Pbar =

UCL =

LCL =

List the subgroup #(s) that are out of control

Revised Pbar =

Revised UCL =

Revised LCL =

Do not submit the run chart

ATTRIBUTES CONTROL CHART P X npO CO CHART ID: PART ID: 2 LITER-BOTTLE OPERATION ID: NEW PACKAGING LINE DEPT/AREA: PACKAGING CHECK METHOD: VISUAL CHARACTERISTIC: CASE PACKING DEFECTS DAY: 2 3 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 SAMPLE (n) 400 400 400 400 800 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 NUMBER (np, c) 43 21 14 20 15 16 8 12 18 6 12 5 4 3 8 31 6 4 6 10 PROPORTION (p, u) 108 053 .035 050 038 040 020 030 045 010 015 030 .013 .010 .008 020 018 078 020 . 015 AVG= UCL = LCL =