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I need help understanding how to recode it was my understanding that you'd get different answers from the original. A simple linear regression was performed

I need help understanding how to "recode" it was my understanding that you'd get different answers from the original. A simple linear regression was performed to relate average ED waiting times to a subjects 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 alive for sex is 0.95. The R2 for this regression is <.01 Supposed x1 had been instead been coded as 1 for female and 0 for males. What would the intercept value be in the regression of waiting time in x1 with this nee coding schema (1 for females and 0 for males)

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