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I'm not sure I follow this or if it is as easy as picking it out from the y= 57.4+ -2.5x1 7. A simple linear

I'm not sure I follow this or if it is as easy as picking it out from the y= 57.4+ -2.5x1

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7. A simple linear regression was performed to relate average ED waiting times to subject's sex with x1 coded as 1 for male and 0 for female. The regression results are as follows: y =57.4+-2.5x1 , and the estimated standard error of the slope for sex is 0.95. The R2 for th regression is

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