The control chart is the process talking to us.
Irving Burr, 1953
In this chapter, we continue the discussion on analyzing process behavior using the control chart principles covered in Chapter 4. The material will cover several different types of control charts particularly relevant to software processes:
Average (X-bar) and range (R) charts
Average (X-bar) and standard deviation (S) charts
Individuals and moving range (XmR) charts
Individuals and median moving range charts
Moving average and moving range (MAMR) charts
In Chapter 4 we explained the distinction between variables or discrete data and attributes data. In this chapter we build upon that distinction to explain ...