One-Sample Z-Test Calculator
Calculate the z-statistic and p-value for a one-sample z-test. Compare your sample mean against a known population mean instantly.
Z-Statistic
1.8257
P-Value (Two-Tailed)
0.067889
P-Value (One-Tailed)
0.033945
Conclusion
Fail to reject H0 at α = 0.05 (p = 0.0679)