Among Other Quality Measures,the Quality of an Electronic Component Used

Multiple Choice

Among other quality measures,the quality of an electronic component used in manufacturing stereo speakers is monitored with a control chart.In the last 25 days,daily samples of 60 units resulted in the following number of defective units per sample: 8,4,3,7,6,2,5,3,1,0,7,4,2,0,1,6,2,4,3,1,2,8,5,6,and 0.Determine the appropriate upper and lower control limits for this process.

A) [.029,.091]
B) [.056,.064]
C) [0,.152]
D) [0,.202]