Suppose the process standard deviation is not known. Based on the above data $($Monday$-$Wednesday$),$ construct the $3-\backslash$sigma control limits for the mean chart. when given As a quality control inspector of a packaging company, you want to control the weight of a packaging process. At the end of each day during the last three days, you have randomly selected a sample of four packages and weighed each:

Day Observation $($ounces$)$

Monday $604608588600$

Tuesday $597601607603$

Wednesday $581570585592$