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COB 300 Operations Exam #2 Questions and Answers 100% Pass
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COB 300 Operations Exam #2 Questions and Answers 100% Pass quality control - process that evaluates output relative to a standard and takes corrective action when output doesn't meet standards acceptance sampling - approach to quality assurance where inspection is done before/after production;...

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  • January 8, 2025
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cob 300 operations exam 2 questions and answers 1

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COB 300 Operations Exam #2
Questions and Answers 100% Pass

quality control - ✔✔process that evaluates output relative to a standard and takes corrective action when

output doesn't meet standards


acceptance sampling - ✔✔approach to quality assurance where inspection is done before/after

production; least progressive approach


process control - ✔✔approach to quality assurance where inspection and corrective action is done during

production


continuous improvement - ✔✔approach to quality assurance where quality is built into the process; most

progressive approach


inspection - ✔✔appraisal of goods or services; used to provide information on the degree to which items

conform to a standard


low-cost, high-volume items (paper clips, roofing nails, wooden pencils) require: - ✔✔little inspection

because the cost associated with passing defective items is quite low and the processes that produce these

items are highly reliable so defects are rare


high-cost, low-volume items require: - ✔✔more intensive inspection; automated inspection is an option

that can be used




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Emily Charlene
Lead Athor

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quality conformance - ✔✔product or service conforms to specifications


statistical process control (SPC) - ✔✔statistical evaluation of the output of a process; used to decide if a

process is in control or if corrective action is needed


random variation - ✔✔natural variation in the output of a process, created by countless minor factors;

common variability (variations are so minor that it is unimportant to attempt to eliminate them)


assignable variation - ✔✔in process output, a variation whose cause can be identified; non-random

variation


sampling distribution - ✔✔theoretical distribution of sample statistics; most frequently used is normal

distribution


central limit theorem - ✔✔distribution of sample averages tends to be normal regardless of the shape of

the process distribution


How is control achieved? - ✔✔by checking a portion of the goods or services, comparing the results to a

predetermined standard, evaluating departures from the standard, taking corrective action when

necessary, and following up to ensure that problems have been corrected


control chart - ✔✔time-ordered plot of sample statistics, used to distinguish between random and

nonrandom variability; has upper and lower limits to define range of acceptable variation from the

sample statistic


control limits - ✔✔dividing lines between random and nonrandom deviations from the mean of the

distribution


Type I error - ✔✔concluding a process is not in control when it actually is; also referred to as alpha risk




X
Emily Charlene
Lead Athor

©All Rights Reserved, 2025

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