The data in Table 9E 3 are temperature readings from a
The data in Table 9E.3 are temperature readings from a chemical process in C, taken every two minutes. (Read the observations down, from left.) The target value for the mean is 0 = 950.
(a) Estimate the process standard deviation.
(b) Set up and apply a tabular CUSUM for this process, using standardized values h= 5 and k = ½. Interpret this chart.
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