\f(:1 Calculate R2. {Round your answer to 4 decimal placesJ lid-1] Zen:- is contained in the 95% confidence interval. G) No D Yes lid-2] The slope is different from zero. Yes 0 No (e) Calculate the degrees of freedom and t-critical for a two-tailed t test for zero slope at a = 05. (Round your answers to 2 decima places.) Degrees of freedom t - critical (f-1) Small p-values tell us the null hypothesis is false. O Yes O No (f-2) The sample provides significant evidence that the slope is positive