b. Estimate the process mean and standard deviation.
c. Does fill weight seem to follow a normal distribution?
Answer to relevant Questionsb. Estimate the mean and standard deviation of the process. What are the ± 2 standard deviation limits for the individual data? c. If the specification limits are 41 ± 5, do you think the process is capable of producing ...Fifteen successive heats of a steel alloy are tested for hardness. The resulting data are shown in Table 5E.9. Set up a control chart for the moving range and a control chart for individual hardness measurements. Is it ...a. Estimate the process standard deviation. b. Construct a CUSUM chart for this process using standardized values of h = 5 and k = 1/2. a. Estimate the potential capability of the process. b. Estimate the actual process capability. c. How much improvement could be made in process performance if the mean could be centered at the nominal value? The failure time in hours of 10 memory devices follows: 1210, 1275, 1400, 1695, 1900, 2105, 2230, 2250, 2500, and 2625. Plot the data on normal probability paper and, if appropriate, estimate the process capability. Is it ...
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