Question: Below is a p-chart for a manufacturing process. a. What is the mean proportion defective? What are the upper and lower control limits? b. Are

Below is a p-chart for a manufacturing process.

a. What is the mean proportion defective? What are the upper and lower control limits?
b. Are there any sample observations that indicate the process is out of control? Which sample numbers are they?
c. Does there seem to be any trend in the process? That is, does the process seem to be getting better, getting worse, or staying thesame?

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