What is meant by the statement that a process is in a state of statistical control?
Answer to relevant QuestionsIf a process is in a state of statistical control, does it necessarily follow that all or nearly all of the units of product produced will be within the specification limits? You consistently arrive at your office about one-half hour later than you would like. Develop a cause-and-effect diagram that identifies and outlines the possible causes of this event. Construct a box plot for the data in Exercise 4.1. The life of an automotive battery is normally distributed with mean 900 days and standard deviation 35 days. What fraction of these batteries would be expected to survive beyond 1,000 days? A machine is used to fill container with a liquid product. Fill volume can be assumed to be normally distributed. A random sample of 10 containers is selected, and the net contents (oz.) are as follows: 12.03, 12.01, 12.04, ...
Post your question