Temperature is used to measure the output of a production, Ask an Expert

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Temperature is used to measure the output of a production process.When the process is in control, the mean of the process is = 128.5 and the standard deviation is = .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?

128.8128.2129.1128.7128.4129.2

c.Is this process in control fora sample providing the following data

129.3128.7128.6129.2129.5129.0

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