need this asap. will gove thumbs up if correct

A large beverage company would like to use statistical process control to monitor a new bottiling machine designed to load liquid into 350 -ml bottles. This company knows that the exact amount the machine places in each bottle can naturally vary by a small amount, but does not have any more specific information about the process. The company operated this new machine under careful supervision, confident that the maching was under complete control, for 7 hours. Each hour, a sample of ten bottles was taken off ctive line and the amount of liquild in each bottle was carefully measured. This is the resulting data: a. Where should the control limits be placed on a mean chart intended to monitor this machine in the future, using the same sampling procedure that produced this data