Temperature is used to measure the output of a production process. When the process is in control, the meanof the process is µ = 128.5 and the standard deviationis σ = .4.
a.Construct the x¯ chart for this process if samples of size 6 are to be used.
b.In the process in control for a sample providing the following data?
128.8 128.2 129.1 128.7 128.4 129.2
c.Is this process in control for a sample providing the following data
129.3 128.7 128.6 129.2 129.5 129.0
The solution examines the output temperature for a production process.