MGMT 383 chapter 6s questions and answers with solutions 2024/25

If a sample of items is taken and the mean of the sample is outside the control limits, the process is: A) likely out of control and the cause should be investigated. B) in control, but not capable of producing within the established control limits. C) within the established control limits with only natural causes of variation. D) monitored closely to see if the next sample mean will also fall outside the control limits. E) producing high quality products. - ANSWER a The causes of variation in statistical process control are: A) cycles, trends, seasonality, and random variations. B) producer's causes and consumer's causes. C) mean and range. D) natural causes and assignable causes. E) Type I and Type II. - ANSWER d Natural variations: A) affect almost every production process. B) are the many sources of variation that occur when a process is under control. C) when grouped, form a pattern, or distribution. D) are tolerated, within limits, when a process is under control. E) All of the above are true. - ANSWER e