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) ______________.

Related MCQs

• Statistical Process Control uses diagrams called "Control Charts." These charts depict horizontal, parallel lines to represent ______________ standard deviations.
• X bar charts are uses to control the ______________ of a process.
• Trend charts reflect the relative status of a program. Trend charts are effective means 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?
• Process control is distinct and separate from the data gathering function in a quality program. While process control regulates the functions, data gathering is used to ______________.
• Some organizations today are using "six sigma", to set the upper and lower limits on control charts rather than the traditional sigmas.
• Consider two factors A and B, each with two levels. If there is no interaction between these two factors, the difference in the response variable between the two levels of factor A would be ______________ the difference between the two levels of factor B.
• Pattern in control charts which show the tendency to cluster around central line is termed as:
• Identify the charts which might give an indication of process going out of control (before the process has actually changed)
• All of the following statements about control charts are true except: