#17 - Communicating Statistics and Risk

# #17 - Communicating Statistics and Risk - Communicating...

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In general, translate quantitative data into the closest equivalent in everyday speech and place the specific findings in parentheses. For example, people usually say half, not 50 per cent. So you should write 'about half (51.2 per cent)' or 'one-third (33 per cent)'. Unless it is an exact match, like one-third and 33 per cent, I recommend always including the specific statistic. You should also try to include the margin of error (often called the confidence interval) because it indicates the reliability of the evidence. Scientific articles often report percentages, for example "20 per cent of a sample of 215 people", or simply report 20 per cent in a table or chart. You should do the calculation for your readers and report: "43 of the 215 people sampled (20 per cent)". This accommodates multiple ways of understanding the evidence, making it easily accessible to more people. Take away message:
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## This note was uploaded on 02/06/2012 for the course COMM 217 taught by Professor Courtneyscherr during the Fall '11 term at Purdue.

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#17 - Communicating Statistics and Risk - Communicating...

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