Version 5.0 Statistics Guide Harvey Motulsky President, GraphPad Software Inc. © 2007 GraphPad Software, inc. All rights reserved. This Statistics Guide is a companion to…

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Formulas (I) Descriptive Statistics x = ∑ xi n 2 1 ∑ xi − x n−1 sx = d i sp = dn1 − 1is2 + dn2 − 1is2 1 2 dn1 − 1i + dn2 − 1i y = b0 + b1 x ∑ xi − x yi…

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