SB communicating the observations

SB communicating the observations - COMMUNICATING THE...

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COMMUNICATING THE OBSERVATIONS Displaying the data Communicating the data can the most important portion of helping others to understand the information uncovered in an observation or experiment. Visually, tables, bar-graphs, line- graphs, histograms, scatter-plots, pictures, and other images quickly convey what the researcher wants to share. In addition to these means, there are two different procedures that help to make comparisons between populations. The first is normalization. The second, standard deviation, will be covered in the next section. Normalization – A procedure by which values are set to a standard to allow comparison. Consider a food additive that is given to both an elephant and a rat. Both animals are allowed to eat as much food as they normally consume. After the experiment, the rat had gained 1 pound, and the elephant had gained 12 pounds. For which animal is the additive more effective? The elephant obviously gained more weight, but that does not mean the additive was more effective. These results must be normalized.
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This note was uploaded on 11/04/2011 for the course CHEM 105 taught by Professor Macedone during the Fall '07 term at BYU.

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SB communicating the observations - COMMUNICATING THE...

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