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