Vincent,a Quality Control Manager at an Apparel Manufacturing Company,studies and Monitors

question 30

Multiple Choice

Vincent,a quality control manager at an apparel manufacturing company,studies and monitors quality using R-charts.He discovers a quality problem with the construction of zippers.Vincent proposes that 25 samples of eight observations each be collected on a daily basis.He plans to prepare an R-chart to monitor the variation in the size of the zippers.The data collected shows that the mean length of the zippers is 15 inches and the average range is 0.5 inches.If D₃ for the R-chart is 0.136,the lower control limit (LCL_R) for the R-chart will be:

• A) less than or equal to 1.
• B) more than 1 but less than or equal to 2.
• C) more than 2 but less than or equal to 3.
• D) more than 4.

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Definitions:

WARN Act

The Worker Adjustment and Retraining Notification Act, a U.S. labor law that requires employers to provide notice 60 days in advance of covered plant closings and mass layoffs.

Advance Notice

A prior notification about an event, requirement, or action that allows for preparation or adjustments.

Union Official

A union official is a person who represents and acts on behalf of members of a labor union, often involved in negotiations, organizational activities, and advocacy.

Equal Pay Act

A U.S. labor law enacted in 1963 aimed at abolishing wage disparity based on sex.