# Question: The following data are from a production process that makes

The following data are from a production process that makes 250 units each hour. The data were collected over a normal 12-hour shift one day. The data are shown in the table at the right. Using the first 10 hours as the calibration period,

a) Calculate the center line of the p chart.

b) Calculate the upper control limit of the p chart.

c) Calculate the lower control limit of the p chart.

d) Create a p chart for the samples from the second set of 10 hours.

e) Is this process out of control?

a) Calculate the center line of the p chart.

b) Calculate the upper control limit of the p chart.

c) Calculate the lower control limit of the p chart.

d) Create a p chart for the samples from the second set of 10 hours.

e) Is this process out of control?

## Relevant Questions

The following data are from a production process that makes approximately 250 units each hour. The data were collected over a normal 12-hour shift one day. Historical data shows the proportion of defects to be 6.21%. Either ...Baseballs used in the major leagues in the United States must adhere to strict standards. One such standard is that the circumference must be between 9 and 9.25 inches. One could look at this standard as a target ...Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts the number of packages. If historically, only 1 pack-age out of 50 is defective, a) What is the ...The owner of a small organic food store was concerned about her sales of a specialty yogurt manufactured in Greece. As a result of increasing fuel costs, she recently had to increase its price. To help boost sales, she ...A local insurance agent was concerned that he might lose customers to online discount insurance sites. To investigate, he randomly selected profiles (type of car, coverage, driving record, etc.) for 10 of his clients and ...Post your question