One of the morals of the red bead experiment is :

One of the morals of the red bead experiment is
 
  A) it is the system that primarily determines performance.
  B) only management can change the system.
  C) variation is part of the process.
  D) All of the above.

Q. 2

A process is said to be out of control if
 
  A) a point falls above the upper or below the lower control lines.
  B) eight or more consecutive points fall above the center line or eight or more consecutive points fall below the center line.
  C) Either of the above.
  D) None of the above.

Q. 3

Which of the following situations suggests a process that appears to be operating out of statistical control?
 
  A) A control chart in which several points fall outside the upper control limit
  B) A control chart with a series of consecutive points that are above the center line and a series of consecutive points that are below the center line
  C) A control chart in which points fall outside the lower control limit
  D) All of the above

Q. 4

Which of the following situations suggests a process that appears to be operating in a state of statistical control?
 
  A) A control chart in which several points fall outside the upper control limit
  B) A control chart in which no points fall outside either the upper control limit or the lower control limit and no patterns are present
  C) A control chart with a series of consecutive points that are above the center line and a series of consecutive points that are below the center line
  D) All of the above