If a scatter plot is given to support a linear regression, is the variability of the points

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If a scatter plot is given to support a linear regression, is the variability of the points about the line roughly the same over the range of the independent variable? If not, then perhaps some transformation of the variables is necessary before computing the regression line.

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Medical Statistics

ISBN: 9780470025192

4th Edition

Authors: Michael J. Campbell, David Machin, Stephen J. Walters

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