Question: PA 9-6 For 120 consecutive days, a process engineer... For 137 consecutive days, a process engineer has measured the temperature of champagne bottles as they

PA 9-6 For 120 consecutive days, a process

PA 9-6 For 120 consecutive days, a process engineer... For 137 consecutive days, a process engineer has measured the temperature of champagne bottles as they are made ready for serving. Each day, she took a sample of 5 bottles. The average across all 685 bottles (137 days, 5 bottles per day) was 49 degrees Fahrenheit. The standard deviation across all bottles was 1.2 degrees Fahrenheit When constructing an X-bar chart, what would be the center line? degrees Fahrenheit

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