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10 cards from this deck
Dependent variable (what you measured)
Independent variable (what you changed)
Extending line beyond measured data range
Maximum and minimum values from repeat measurements
Standard deviation - calculated measure of data spread
Greater data spread and less certainty about true mean
dydx\frac{dy}{dx}dxdy or change in y divided by change in x
Draw tangent at steepest point, then calculate gradient
Plot two variables to identify potential correlations
Scientifically invalid, leads to incorrect conclusions
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