The data file for this project contains $12$ months ofdata from the six hospitals belonging to your health system. The file contains the monthly number of harmfulpatient incidents per $1,000$ patient days for each hospital. Use this information to create one graph that provides the following inforamtion: for each hospital, report the quarterly mean rate of harmful incidients $($report the mean rate in each of the four quarters$).$ For the entire health system, report the quarterly mean rate of harmful incidents $($report the mean rate in each of the four quarters$).$ To create this graph, you'll first need to calcualte the quarterly mean incident rate at each hospital. Then calcualte the quarterly mean incident rate for the health system $($all hospitals commbined$).$