project $4-4$: create and interpret a bar graph. project description: A bar graph is used to show performance measurement data from different time periofds or different sites. in this project you will create a bar graph from measurement data. Instructions: presume you are facilitating a lean project team that is investigating ways to improve efficiency in the operating room. the team discovered that surgeries do not always start at the scheduled time and this adversely effects staff productivity. to investigate why some surgeries do not start on time, the surgery department manager asked five of her staff to collect data on the causes of delays. datya were gathered for six weeks and you recieve the raw data. now you need to create a report for the project team. first summarize the data and create the table.