import statdialog.statistics.inference.TwoSampInferenceDialog;

st = new String[]{"Variable 1", "Variable 2"};

new TwoSampInferenceDialog("Mean Estimation", st).

twoSampInferenceDialog.setVisible(true);

new TwoSampInferenceDialog("Proportion Estimation", st).

twoSampInferenceDialog.setVisible(true);

new TwoSampInferenceDialog("Mean Test", st).

twoSampInferenceDialog.setVisible(true);

new TwoSampInferenceDialog("Proportion Test", st).

twoSampInferenceDialog.setVisible(true);

new TwoSampInferenceDialog("Median Test", st).

twoSampInferenceDialog.setVisible(true);

Results: