A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find the control limits for a median chart.
Which of the following performance measures is most appropriate for evaluating the tangible effects of a six sigma project?
A complex system has many causes and effects. These may be illustrated on which of the following:
Find the value of b or b0:
Find the value of (12) in the ANOVA table. Assume:
The purpose of using control charts is to
A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.A customer requires that SPC charts be done on their forms which have spaces for only 5 readings per sample. In preparation for calculating the new control limits the following question is asked, “Will the new average range be larger or smaller than the current average range?” The answer is:
A control chart will be used to monitor the number of scratches on a product. The following data have been collected:
The appropriate control chart to use is:
Find Cp
What is the value of the test statistic?
TESTED 16 Jul 2025