Consider the x and R charts in Figure 17.34. a. Calculate the natural tolerance limits for the

Question:

Consider the x and R charts in Figure 17.34.
a. Calculate the natural tolerance limits for the improved process.
b. Recalling that specifications state that the hardness depth of each camshaft must be between 3.0 mm. and 6.0 mm., is the improved process capable of meeting these specifications? Explain.