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Consider the following simple regression results where the dependent variable is the number of deaths per 100,000 people (Mortality) and the explanatory variable is the percent of the adult population that has completed college (College). The data are for all 50 U.S. states and the District of Columbia in the year 2017. Note that the 1‐percent two‐tailed (positive) critical value for a t‐distribution with 49 degrees of freedom isapproximately 2.68:Dependent variable:--Mortality--College -14.979 (5.497)Constant 1,099.394 (91.507)--Observations 51R2 0.132Adjusted R2 0.114Residual Std. Error 129.872 (df = 49)F Statistic 7.426 (df = 1; 49)What is the approximate two‐tailed 99‐percent confidence interval for slope parameter 𝛽₂ using the results above?
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