Researchers are conducting a study in an attempt to establish a linear relationship between the number of online keyboard lesson videos and the number of keyboard sales. A computer output for regression is shown and is based on a sample of eight observations. Predictor Coeff St. Dev t Ratio p-Value Constant -4.19411878 7.812571764 -0.53684227 0.601188456 Keyboard Video Views 0.301433595 0.032631691 9.237449496 8.37927E-07 What represents the 98% confidence interval for the slope of the regression line?