PA 9.6 For 120 consecutive days, a process engineer... For 124 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 620 bottles (124 days, 5 bottles per day) was 41 degrees Fahrenhert. 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