Student Solutions Manual Applied Statistics and Probability for Engineers, Fifth Edition

CHAPTER 15

Note to the Instructor: Some of the control charts and control chart summaries were created using Statgraphics. Minitab can be used to provide similar results.

Section 15-3

15-1    a)   

     chart

UCL = CL + A₂ = 223+ 0.577(34.286) = 242.78CL = 223LCL = CL − A₂ = 223−0.577(34.286) = 203.22

R     chart

UCL = D₄ = 2.115(34.286) = 72.51CL = 34.286LCL = D₃ = 0(34.286) = 0

b)    = = 223

15-3    a)   

b)   Process mean and standard deviation

15-5    a)   

For the chart:UCL = + A₂ = 4.6677 ...