Using Excel, calculate the median delay time per week and
construct a run chart using the data below. Compare the delay times
per week to the median. Display your chart.
Question: Does this process show common or special
cause variation? Is this something that the medical director should
be concerned with? Would it be productive to investigate and
eliminate the cause (whether it is common or special)? Why or why
not?
Week
Average Delay Time (in
days)
1
34
2...
One hundred insurance claim forms are inspected daily at Full
Life Insurance Co. over 25 working days, and the number of forms
with errors have been recorded in the worksheet Prob07-06 in the
Ch07Data.xlsx file. Construct a p-chart. If any points occur
outside the control limits, assume that assignable causes have been
determined and construct a revised chart.Problem7-06Full Life Insurance Co.DayNumber Defective132333425063708197103112120130144151162174180191201210222238241254