what strategies might you use to communicate the use of data effectively in written business reports
Various charts or diagrams can summarize data and make some relations easier to note. Also a picture illustrating your point can be "worth a thousand words."
Since this is not my area of expertise, I searched Google under the key words "'statistical charts' diagrams" to get these possible sources:
http://www.gigawiz.com/viewer.html
http://www.jour.sc.edu/news/isite/viscom/index.html
http://www.masterviews.com/masterview6.htm
http://www.caslon.com.au/designguide2.htm
I hope this helps. Thanks for asking.