Question: For 120 consecutive days, a process engineer... For 126 consecutive days, a process engineer has measured the temperature of champagne bottles as they are made

For 120 consecutive days, a process engineer... For 126 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 756 bottles (126 days, 6 bottles per day) was 52 degrees Fahrenheit. The standard deviation across all bottles was 0.6 degrees.

When constructing an X-bar chart, what would be the upper control limit?

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