## T Test Calculator | ||

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Result: | |

The T Test Calculator to calculate the significance of observed differences between the means of two samples.

where

**x̄**_{2} is the mean of first data set

**x̄**_{1} is the mean of first data set

S_{2}^{2} is the standard deviation of first data set

S_{1}^{2} is the standard deviation of first data set

N_{2} is the number of elements in the first data set

N_{1} is the number of elements in the first data set

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