Are the process mean and range in statistical control

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Assignment

Reid, R. D., & Sanders, N. R. (2013). Operations management: An integrated approach (5th ed.). Hoboken, NJ: Wiley. ISBN: 9781118122679

Complete problems 2 and 4 on pages 240-241 of your textbookBe sure to include your work with your answers.

2. A quality control inspector at the Beautiful Shampoo Company has taken three samples with four observations each of the volume of shampoo bottles filled. The data collected by the inspector and the computed means are shown here:
If the standard deviation of the shampoo bottle-filling operation is 0.2 ounces, use the information in the table to develop control limits of 3 standard deviations for the operation.
Pic is below "Shampoo Company"

4. A production manager at Ultra Clean Dishwashing Company is monitoring the quality of the company's production process. There has been concern relative to the quality of the operation in accurately filling the 16 ounces of dishwashing liquid. The product is designed for a fill level of 16.00 ± 0.30. The company collected the following sample data on the production process:

(a) Are the process mean and range in statistical control?
(b) Do you think this process can meet the design standard?

Reference no: EM131273944

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