For 117 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 6 bottles. The average across all 702 bottles (117 days 6 bottles per day) was 60 degrees Fahrenheit The standard deviation across all bottles was 1.2 degrees Fahrenheit When construcing an -bar chart, what would be the center ine?degrees Fahrenhert degrees Fahrenheit