A process fills boxes with detergent. Construct an appropriate set of control limits for X-bar chart and range chart to monitor the filling process. Historical data for fill weight (in ounces) of ten samples are presented below. A sample size of twelve was used.

Sample Sample Mean Sample Range

1 15.80 0.42

2 16.10 0.38

3 16.02 0.08

4 15.95 0.15

5 16.12 0.42

6 16.18 0.23

7 5.87 0.36

8 16.20 0.40

please show answers in a word document (docx.)