These data summarize how 360 executives responded to a question that asked them to list the factors that impede the flow of knowledge within their company. (From the Data Warehousing Institute;...

These data summarize how 360 executives responded to a question that asked them to list the factors that impede the flow of knowledge within their company. (From the Data Warehousing Institute; Business Week, Decmber 6, 2004.) Do these percentages belong together in a pie chart? State why or why not.