Anaïs said farewell to her favorite uncle as he boarded a plane for Paris. That night she dreamed that he was flying in a jetliner that suddenly ran into a powerful….
Analyze if observations are in control or out of control.
1. Consider the “Room Cleaning” defect shown in the “Summary Counts” tab. Verify from the given data that room cleaning is in statistical control. Identify the type of chart you selected and show your calculations for control limits. Analyze if observations are in control or out of control. Are there any weekly patterns that stand-out from your analysis?
2. Consider the days of the week. Are Sundays statistically different from other days of the week?
3. Consider the Sunday data for room cleaning, is the process in statistical control on Sundays? If no, suggest at least three reasons that you think may be responsible for problems on Sunday.Please pay attention to the values