Process for making accurate meter sticks

Reference no: EM131007166

Rulers. A company that traditionally made rulers and yardsticks is setting up a manufacturing process to make metersticks. Obviously, accuracy is important for their new product. The company runs a 24-hour production process. Using a calibration set of data they found:

X = 1.000

R = 0.0016

They took a sample of 3 metersticks each hour and recorded the results in the following table.

Assuming that the process was in control during the calibration period, is the company's process for making accurate meter sticks out of control?

Reference no: EM131007166

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