Juran popularized the ______, the idea that explains 80 percent of quality defects by 20 percent of the causes.
a. Peter Principle
b. Pareto Principle
c. Popular Principle
d. TQM Principle
b. Pareto Principle
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Systems that use a sequential master files employ a backup technique called
a. Batch check b. Destructive update c. Grandfather-father-son d. Master file backup e. None of the above
The annual returns of three stocks for the past seven years are given in the following table:
a) Determine the average return and the standard deviation of returns for each stock. Which stock has the highest expected return and which one has the highest risk?
b) Determine the correlation coefficient and the covariance between each pair of stocks.
c) Determine the average return and the standard deviation of returns of equally weighted portfolios consisting of two stocks (XY, YZ, and XZ) and three (XYZ) stocks. How do the returns and standard deviations of the portfolios compare to those of the individual stocks?
d) Create a chart that shows how the standard deviation of the two-stock portfolios changes as the weight of one of the stocks changes.
e) Use the Solver to determine the minimum standard deviation that could be obtained by combining each pair of two stocks, and also all three stocks into a single portfolio.
During this period of group development, team members will be polite to each other and tend to avoid conflict.
a. Performing b. Forming c. Norming d. Storming
Which of these is a major operations and supply chain infrastructural decision category?
A) Organization B) Facilities C) Capacity D) Technology