Frank Industries has decided to use a p-Chart with an risk of 1%

1% to monitor the proportion of defective steel handles produced by their production process. The quality control manager randomly samples 250

250 steel handles at 14

14 successively selected time periods and counts the number of defective steel handles in the sample.

Sample Defects

1 11

2 8

3 12

4 12

5 9

6 12

7 13

8 7

9 8

10 7

11 8

12 14

13 11

14 12

Step1of8:What is the Center Line of the control chart? Round your answer to three decimal places.