A plant that manufactures denim jeans recently introduced a computerized automated handling system. While the automated system minimizes operator handling time, it inhibits operators from working ahead and taking breaks from their machine. A study investigated the impact of new handling system on worker absentee rates at the jeans plant. Nine weeks were randomly selected and the absentee rate (percentage of workers absent) determined for each day (Monday through Friday) of the work week. The data are listed in the below table.