Question: PA 9-6 For 120 consecutive days, a process engineer... For 135 consecutive days, a process engineer has measured the temperature of champagne bottles as they

PA 9-6 For 120 consecutive days, a process engineer... For 135 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 8 bottles. The average across all 1080 bottles (135 days, 8 bottles per day) was 47 degrees Fahrenheit. The standard deviation across all bottles was 0.7 degrees Fahrenheit. When constructing an X-bar chart, what would be the center line? degrees Fahrenheit

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