Question: Using the data in Table 17.13: a. Calculate x and and then find the center lines and control limits for x and R charts for

Using the data in Table 17.13:

a. Calculate x̅̅ and  and then find the center lines and control limits for x̅ and R charts for the camshaft hardness depths.

b. Set up the x̅ and R charts for the camshaft hardness depth data.

c. Are the x̅ and R charts in statistical control? Explain.

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