Answer to Question #348153 in Management for Paballo

Question

2.5 A company manufactures circuit board components for electronic equipment. Each 

component is tested at the end of the process. A random sample of 50 components is 

selected each week, and the number of defective components recorded. The following 

table shows data for a 7-week period:

Week 1 2 3 4 5 6 7

Number of defective 

components 1 3 2 3 0 4 2

The control limits for a p chart were calculated by a statistician, who obtained that

UCL = 0.13 and LCL = 0. Draw the p chart.