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independent or manipulated variable-
changed on purpose usually at regular intervals; usually found in the first column (or first row) of a data table; placed on the x-axis of a graph
dependent or responding variable-
affected by the independent variable; placed on the y-axis of a graph
method for calculating scale-
1. divide range by squares 2. if necessary, bump up to the next HIGHER number that is easy to work with
follows the format "Effect of Independent Variable on Dependent Variable"; data table and corresponding graph should always match
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