For a point in the control chart to be out of control, it must lie

Related MCQs

• The thickness of the blade of a fan is specified to lie between 4 cm and 6 cm. The length of the blades must lie between 10 cm and 20 cm. A fan blade randomly selected from a sample of 100 blades has a thickness of 5cm and a length of 21cm. The number of defect(s) the blade has is ______________.
• A project manager notices that all the measurements recorded on a control chart lie within the control band range. However, most of the measurements are below the midpoint (negative variance). Quality management practice offers us what guidance in dealing with this situation?
• An acceptance control chart has limits that are based on the specification limits for the product rather than limits which differentiate between random and assignable causes. Under which if the following circumstance should a QC manager consider using an acceptance control chart?
• The g chart is the control chart for:
• If data for MR chat shows non-normality, it is better to determine the control limits for the individuals control chart based on the ______________ of the correct underlying distribution.
• Control chart is i. Process monitoring tool ii. Process control tool iii. Process planning tool The correct order is
• You are sampling items from a batch and plotting the results on a control chart. How will an increase in the number of items sample affect the value of the standard deviation used to set the control limit?
• For a c chart, the LCL comes out to be -.7. The value of LCL that should be used is:
• The pattern of continuous movement in one direction in a control chart is termed as:
• The basic assumption of calculating the control limits based on average sample size (for a p chart) will ______________ from/as those previously observed.