Z test Calculator for two means
| Z test Calculator for two means | |||
|---|---|---|---|
| Sample 1 | Sample 2 | ||
| Sample Mean | |||
| Standard Deviation | |||
| Sample Size | |||
| Level of Significance ($\alpha$) | |||
| Tail | Left tailed Right tailed Two tailed | ||
| Results | |||
| Standard Error of Diff. of Means: | |||
| Test Statistics Z: | |||
| Z-critical value(s): | |||
| p-value: | |||
