The unique colors of the cashmere sweaters your firm makes resultfrom heating undyed
Chapter 0, Problem 11.45(choose chapter or problem)
The unique colors of the cashmere sweaters your firm makes resultfrom heating undyed yarn in a kettle with a dye liquor. The pH (acidity) of the liquor is critical for regulating dye uptake and hence the final color. There are5 kettles, all of which receive dye liquor from a common source. Twice each day,the pH of the liquor in each kettle is measured, giving a sample of size 5. Theprocess has been operating in control with = 4.22 and = 0.127. Give thecenter line and control limits for the x chart.
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