A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n=5) taken. The population process standard deviation is 1.36 Samples 3 4 12 11 11 5 6 7 8 9 10 12 10 10 12 8 9 10 11 12 16 10 9 8 10 10 11 11 7 11 11 7 8 12 9 7 13 10 9 9 7 8 13 1 9 8 11 2 9 10 11 8 12 12 11 10 11 11 9 a) Standard deviation of the sampling means-ounces (round your response to three decimal places) 9

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