One-Sample Z-Test Visualizer
Calculate test statistics, p-values, and export structured statistical reports.
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Parameters
Test Type
Right-Tailed (>)
Left-Tailed (<)
Two-Tailed (≠)
Sample Mean (x̄)
Null Mean (μ₀)
Pop Std Dev (σ)
Sample Size (n)
Alpha Level (α)
Results Summary
Standard Error:
2.7386
Z-Statistic:
1.8257
Critical Value(s):
1.6452
P-Value:
0.0339
Decision
Reject H₀
One-Sample
Two-Sample
Distribution & Critical Region