Estimating the difference between means/medians (2 independent samples)

Estimate the difference between the means/medians of 2 independent samples.

1. Select a cell in the dataset.
2. On the Analyse-it ribbon tab, in the Statistical Analyses group, click Compare Groups, and then click the effect size estimator.
   The analysis task pane opens.
3. In the Y drop-down list, select the quantitative response variable.
4. In the X drop-down list, select the categorical factor variable identifying the groups.
5. In the Difference drop-down list, select the direction of the difference.
6. In the Confidence interval edit box, type the confidence level as a percentage, or type - to suppress the confidence interval, and then in the drop-down list, select the confidence bounds.
7. In the Method drop-down list, select the interval estimator.
8. Click Calculate.