Question: Find the Cp and Cpk indexes for a process with
Find the Cp and Cpk indexes for a process with μ = 55.4, σ = 0.1, LSL = 55.2, USL = 55.9. How would you rate the capability of this process? Explain.
Answer to relevant QuestionsExplain each chart's purpose and the parameters that must be known or estimated to establish its control limits. a. x-bar chart b. R–bar chart c. p chart d. I chart Bob said, "We use the normal distribution to set the control limits for the x chart because samples from processes follow a normal distribution." Is Bob right? Explain. In painting an automobile at the factory, the thickness of the color coat has a process mean of 1.00 mil and a process standard deviation of 0.07 mil. Twenty samples of five cars were tested, resulting in the mean paint ...Refer to the Wheat Chex problem 17.56 with μ = 465 and σ = 3. During production, samples of three boxes are weighed every 5 minutes. (a) Find the upper and lower control limit for the x chart. (b) Plot the following 20 ...Look up two of Deming's 14 points on the Internet and explain their meaning.’
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