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Direct linkRobertson, William C. – Science and Children, 2007
Using "error bars" on graphs is a good way to help students see that, within the inherent uncertainty of the measurements due to the instruments used for measurement, the data points do, in fact, lie along the line that represents the linear relationship. In this article, the author explains why connecting the dots on graphs of collected data is…
Descriptors: Graphs, Mathematical Formulas, Error of Measurement, Measurement
