what is the general principle governing the use of data in a graph how do you determine whether it is out of the control for a data type? how to calculate a confidence interval in a control chart why is a data control chart based on inner control limits? how to set up a tarot control chart for a process what is the difference between a control and an inner control chart what is the standard deviation of a control chart why is a control chart necessary what is the purpose of a statistical control how to make an inner control in a control chart how to figure sample mean in a controlled test what is the test for out of control? what is the confidence interval in a control chart? how do i determine if a control is out of control can you do an inner and outer control chart what is the normal confidence interval for a control chart how to set up a control plot chart how to set up a control chart how to set up an inner limit in a control chart what is the control limit in the data