Assume that the data involving the regression of VOTE (Y) on TVEXP (X) in Problem 5 in

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Assume that the data involving the regression of VOTE (Y) on TVEXP (X) in Problem 5 in Chapter 5 came from congressional districts in New York. Now, suppose that researchers selected a second sample of 17 congressional districts in California and recorded the same information. The following table provides the information needed to compare the straight line regression equations for New York and California.

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a.-d. Repeat parts (a) through (d) of Problem 1 for the straight-line regression of VOTE (Y) on TVEXP (X) for the two states. Consider the one-sided alternative HA: β1(CAL) e. Perform a two-sided test of whether the correlation coefficients for New York and California are equal.
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Applied Regression Analysis And Other Multivariable Methods

ISBN: 632

5th Edition

Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg

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