Question: Using the standard errors, construct a 95% confidence interval for the slope between circulation and the number of local stories. Use the z-distribution critical value.

Using the standard errors, construct a 95% confidence interval for the slope between circulation and the number of local stories. Use the z-distribution critical value. What are the lower and upper bounds?

Call: Im(formula = LocalStories ~ NationalChain + Circulation, data = newspapers) Residuals : Min 1Q Median 3Q Max -1916.84 -584.19 -97 . 36 380.10 2779.70 Coefficients : Estimate Std. Error t value Pr(>It1) (Intercept) 1209. 7500 102.2361 11. 833

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