Harry Coates wants to construct 
and R charts at the bag-filling operation for Meow Chow cat food. He knows that when the filling operation is functioning correctly, bags of cat food should average 50.00 pounds and 5-bag samples should have an average range of .330 pounds.
Harry had twenty 5-bag samples taken at 2-hour intervals and the sample means and ranges are shown below. Determine the center lines and upper and lower control limits for the 
and R charts.
Definitions:
Eadweard Muybridge
An English photographer important for his pioneering work in photographic studies of motion and early work in motion-picture projection.
Public Exhibition
The act of showing artworks, films, or other forms of creative output to the general public in galleries, theaters, or other accessible spaces.
Leland Stanford
An American industrialist, politician, and founder of Stanford University, known for his significant contribution to the development of the California railroad system.
Eadweard Muybridge
A groundbreaking photographer and inventor who significantly contributed to the development of motion pictures through his study of animal locomotion using sequential photographs.
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