Consider the situation of Example 17.2. The following data are taken on additional samples of size 5. Plot the X- and S-values on the X- and S-charts that are produced by the data in the preliminary sample. Does the process appear to be in control? Explain why or whynot.

Si Sample 62.280 0.062 0.049 62.319 3 62.297 0.077 62.318 0.042 4 Sample Si 62.315 0.038 62.389 0.052 0.059 62.401 62.315 0.042 62.298 0.036 10 62.337 0.068