. D4 is another control
chart constant, and for subgroups of size 2, it has the value 3.27. This
has been entered in the first box on the second row, and the value
of has been entered in the second one.The next calculation is for the upper control limit on the moving
range graph. The formula used is D4 × . D4 is another control
chart constant, and for subgroups of size 2, it has the value 3.27. This
has been entered in the first box on the second row, and the value
of has been entered in the second one.
Complete the calculation for UCL R and enter the result in the box outlined in red. Please round your answer to 1 decimal place.