10 mins: Definition of Control Chart-Attributes-p
10 mins: Types of Control Chart-Attributes-p
20 mins: Problem solving based on Control Chart-Attributes-p
10 mins: Discussion and Summary
1. A factory producing bulbs tests 100 bulbs daily for defects over 20 days. The proportion defective each day is recorded. Prepare a p chart and comment.
2. An inspection of 50 items per day for 25 days records varying proportions of defective items. Construct a p chart and determine process control.