Managers at OWL Bakery in Asheville, NC monitor their online reviews on a scale of $1$ to $5.$ They strive for only $4$ and $5$ star reviews. They sample $340$ customers each month for $6$ months and record the number of reviews that were $3$ stars or less in the following table.

Lot $123456$

# Reviews below target $374063576665$

Construct an appropriate control chart for the proportion of unfilled appointments.

Calculate the center line.

Calculate the $3$ upper control limit $($UCL$).$

Calculate the $3$ lower control limit $($LCL$).$

Is the process in control according to the chart you created?

Enter the UCL for the chart you created.