Week 5 Operations Management Problems Paper these operations management problems to be solved. the questions are in the attachment. Problem 1, p. 409 Make

Week 5 Operations Management Problems Paper these operations management problems to be solved. the questions are in the attachment. Problem 1, p. 409
Make a check sheet and then a Pareto diagram for the following car repair shop data.
Problem, 4, page 410
Prepare a run diagram for this emergency call data. Use five-minute intervals (i.e., count the
calls received in each five-minute interval. Use intervals of 0 to 4, 5 to 9, etc.). Note: Two or
more calls may occur in the same minute; there were three operators on duty this night. What
can you conclude from the run chart?
Stevenson, William J; Stevenson, William J. Operations Management (Page 410). McGraw-Hill
Higher Education. Kindle Edition.
Problem 7, page 455
The postmaster of a small western town receives a certain number of complaints each day
about mail delivery. Determine three-sigma control limits using the following data. Is the process
in control?
Problem 13 page 456
For each of the accompanying control charts, analyze the data using both median and up/down
run tests with z = ± 1.96 limits. Are nonrandom variations present? Assume the center line is the
longterm median.

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