Item$2$

$0\mathrm{.}75$

points

Time Remaining $56$ minutes $5$ seconds$00$:$56$:$05$

Item $2$

Time Remaining $56$ minutes $5$ seconds$00$:$56$:$05$

PA $9-7($Algo$)$ For...

For $138$ 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 $9$ bottles. The average across all $1,242$ bottles $(138$ days, $9$ bottles per day$)$ was $51$ degrees Fahrenheit. The standard deviation across all bottles was $1\mathrm{.}4$ degrees Fahrenheit.

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

Note: Round your intermediate calculations and final answer to $4$ decimal