1. If a process is considered to be out of control, when in fact it is performing correctly, a Type II error occurs.
True
False
2. If a process is considered to be out of control, then repairs or adjustments may be needed.
True
False
3. The two types of control charts used for means fall into two categories, X-bar charts and R charts, depending on which type of performance measure is collected.
True
False
4. The first step in constructing a control chart is to collect representative historical data from which an estimated population mean and variance for the system performance can be measured.
True
False