Confidence Interval for the Slope Statistics Linear Regression and Correlation Confidence Interval for the Slope Questions Will you use a z table or a t table for computing the confidence interval for the slope? Can a t-statistic be used to determine the confidence interval of a coefficient in a regression model? Linear Regression and Correlation View all chapters Independent and Dependent Variables Least Squares Regression Line (LSRL) Residual Plots and Outliers Correlation and Coefficient of Determination Confidence Interval for the Slope t Test for the Slope and the Correlation Coefficient Prediction Intervals Prev Next