Chart Preparation Exercise (11)

Now we've done the hard part, all that remains is to complete the calculations for the control limits. The upper control limit (UCL) is simply + K. The calculation for the lower control limit (LCL) is the same except you subtract K instead of adding it.

Complete these two calculations and enter your results in the two boxes highlighted in red below. When you are ready, click the button to check your answers.

L ÷ =   Square Root (L)   K   × 3 =

K UCL + = K LCL - =