Operations and Supply Chain Management - C720

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

A company that produces motors uses the a "motor assembly check sheet", why would the company use this check sheet?

To develop a Pareto chart identifying the root causes of engine defects

Histogram

A histogram is an accurate representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable and was first introduced by Karl Pearson. It differs from a bar graph, in the sense that a bar graph relates two variables, but a histogram relates only one.

A quality improvement team is trying to illustrate to upper management how a process is varying over time as measurements are collected. Which two statistical process control (SPC) tools should the team use?

Control charts and Histogram

Deming's 14 Points

Deming offered fourteen key principles for management for transforming business effectiveness. Create constancy of purpose toward improvement of product and service, with the aim to become competitive and stay in business, and to provide jobs.

The CEO of a service company wants to change the strategy of the company from volume sales to high-quality products. Which philosophy should the CEO implement to emphasize quality over volume?

Deming's 14 points -- check this answer

Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles?

Reliability

Which quality tool examines patterns, flow and causes variation of data points over time.

Statistical Process Control (SPC)

Taguchi loss function

The Taguchi loss function is graphical depiction of loss developed by the Japanese business statistician Genichi Taguchi to describe a phenomenon affecting the value of products produced by a compan

Scatter plot

a graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present.

Control Chart

a graph used to study how a process changes over time. Data are plotted in time order. A control chart always has a central line for the average, an upper line for the upper control limit and a lower line for the lower control limit. These lines are determined from historical data.

Pareto charts .

are a graphical way of identifying the few critical items from the many less important ones


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