For the above table, what is the value corresponding to the central line for the x bar chart?

Related MCQs

• Consider that for a process s bar (average standard deviation of 50 samples each of size 4) is found to be 10.04. The value of c4 (corresponding to sample size of .4) is .92. What is the estimated value of process standard deviation?
• Given that for the three samples, the value of R bar is .66 and value of d2 corresponding to three is1.128, what is the estimated standard deviation?
• Consider that for a particular process, the p has shifted to .4 and the process has gone out of control. The corresponding value of beta is found to be .3356. The value of Average Run Length is:
• The g chart is the control chart for:
• 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 x bar chart monitors:
• For an x bar chart, β risk can be defined as:
• If we want to detect small process shifts using x bar chart, we should use a sample size of:
• Consider the first method of p bar estimation where each sample is of varying size. If the 3rd sample has p bar =.01, and the sample size of the 3rd sample is 10, what will be the upper control limit for the 3rd sample?
• When data is plotted on the control charts, the data is of two types: R and -bar. The R data represent points of a ______________ while the X-bar data represent points of a (n) ______________.