1. Data input
Now includes Excel-style z-tests for means (σ known).
2. Results
Test
—
p-value
—
Statistic
—
Decision
—
3. Confidence interval
—
4. Group summary
5. Visualizer (area under the curve)
Curve reflects your test + tail. Shaded = critical / p-region. Marker = test statistic.
6. Printable report
Includes the visualizer chart as an image.