Welch’s t-test Calculator

Welch’s t-test is used to test whether or not the means of two populations are equal.
This type of test does not assume that the two samples have equal variances. If you would like to make this assumption, you should instead use the two sample t-test calculator.
To perform Welch’s t-test, simply fill in the information below and then click the “Calculate” button.

Sample 1

Sample 2

t = -1.608761

df = 17

p-value (one-tailed) = 0.063040

p-value (two-tailed) = 0.126080

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