Exam 8: Process Management - Lean and Six Sigma in the Supply Chain

Calculate the defects per million opportunities (DPMO)given the following:Blake,owner of Blakester's T-shirt Shoppe,keeps track of customer complaints.For each T-shirt sold,there are four possible complaints: T-shirt shrinks,poor quality,design wears off,and doesn't fit right.Each week,Blake calculates the rate of T-shirt "defects" per total T-shirts sold,and then uses this information to determine his company's DPMO.During the past week,his company sold 1200 T-shirts.His company received 22 customer shrinkage complaints,16 poor quality complaints,12 design wears off complaints,8 doesn't fit right complaints.Calculate his firm's DPMO.

Which company probably played the largest role in the development of the Toyota Production System?

Efficient Consumer Response was initially developed in the 1990's for the following industry:

A cause-and-effect diagram is a useful tool for presenting data in an organized fashion,indicating process problems from most to least severe.

Which of the following best describes the five S's?

The primary design objective with lean layouts is to reduce wasted movements of workers,customers,and/or work-in-process.

When compared to their U.S.counterparts,a benchmarking study found that Japanese auto manufacturers used:

Which tool is useful for presenting data in an organized fashion,indicating process problems from most to least severe:

Which of the following is an example of how lean programs can help to protect the environment?:

Lean thinking is a philosophy incorporating tools which seek to economically optimize:

Manufacturing cells are often U-shaped to make operator and material movements easier within the cell.

A company sells eggs in boxes with 12 cartons and 12 eggs in each carton,thus there are 144 eggs in each box.The organization wants to construct a P-chart to track the proportion of broken eggs in each sample.If the company used one box of eggs in each sample in the dataset,what would be the centerline,upper control limit(UCL),and lower control limit(LCL)for the appropriate P-chart? (Use z = 3.)Choose the closest answer. Sample Eggs Sample Eggs Sample Eggs 1 3 8 6 15 5 2 5 9 4 16 0 3 3 10 9 17 2 4 4 11 2 18 6 5 2 12 6 19 2 6 4 13 5 10 1 6 2 14 1 TOTAL 72

What are the TWO primary techniques/philosophies discussed in Chapter 8 that are used to manage processes in the supply chain such that they'll meet the needs of customers today.Provide the prime objectives for each of the two techniques/philosophies.Also,for each technique,provide three elements used to achieve the prime objectives.

Which of the following is NOT one of the Seven Wastes?

Lean thinking and Six Sigma quality are concerned with achieving low cost along with high levels of quality and responsiveness throughout the supply chain.

Why is the workforce considered such an important element of lean production?

The following is a term that refers to error- or mistake proofing:

Organizations practicing lean production often increase their inventory levels in the long-run in order to create a cushion against variability so that they can investigate and eliminate the weaknesses of their system.

A company produces 8-pound bags of cat litter; as shown below,it gathered 5 samples with 6 bags in each sample for quality control purposes.The weights of each of the bags are listed below.Determine X-double bar $\bar{\bar{X}}$ .SHOW YOUR WORK.? $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$$\text { Bag Number of each sample }$ Sample 7.98 8.34 8.02 7.94 8.44 7.68 8.33 8.22 8.08 8.51 8.41 8.28 7.89 7.77 7.91 8.04 8 7.89 8.24 8.18 7.83 8.05 7.9 8.16 7.87 8.13 7.92 7.99 8.1 7.81 ?

An important outcome of statistical process control is: