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(CO 3) The soup produced by a company has a salt level that is normally distributed...

(CO 3) The soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. The company takes readings of every 10th bar off the production line. The reading points are 5.8, 5.9, 4.9, 5.2, 5.0, 4.9, 6.2, 5.1, 5.3, 6.7.

Is the process in control or out of control and why?

Math   Statistics-And-Probability   
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