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The Solution to Degrees of Freedom

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The number of degrees of freedom associated with the t test, when the data are gathered from a matched pairs experiment with 13 pairs, is

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For a set of data, the total variation or sum of squares for y is SST =180, and the error sum of squares SSE =54. What proportion of the variation in y is explained by the regression equation?

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Solution Summary

The proportion of variation in y for a regression analysis is determine. The degree of freedom is determined.

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The degrees of freedom = 13 - 1 = 12

The proportion of variance in y ...

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