Using a value of 0.729 for the A₂ lookup from Table 5.1 yields:
UCL = 24.6 + 0.729*5.73 = 28.8
LCL = 24.6 - .729*5.73 = 20.4
The chart is in control.
-A professor records the number of students who complain each week throughout the semester. If the class size is forty students, what are 3-sigma control limits for this class? Construct a control chart and interpret the data.
Definitions:
Serum Lithium Level
The concentration of lithium in the blood, monitored to manage and adjust the dosage of lithium medication for bipolar disorder treatment.
Diarrhea
A condition characterized by frequent and watery bowel movements, which can lead to dehydration if not treated.
Blurred Vision
A lack of sharpness in seeing, resulting in the inability to see fine details, which can be a symptom of various eye conditions.
Frequent Urination
The need to urinate more often than usual, which can be a symptom of various underlying health conditions.
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