why are confidence intervals uneven why are confidence intervals uneven why are the confidence intervals computed by the delta method so uneven? why is the confidence intervals in stata so narrow why are confidence intervals unevenly computed why is it important to plot confidence intervals? why is the margins plot uneven what is the width of confidence intervals why is the confidence interval so narrow why is margins plotting uneven why is the confidence interval narrow why is the width of confidence intervals in logarithmic regression uneven why are confidence intervals uneven why is marginsplot unevenly used in regression why are the confidence intervals so wide in each month why is marginsplot so uneven why is the confidence interval for month narrower why is the confidence interval in stata uneven why are confidence intervals uneven why is the confidence interval so uneven in stata