T-test Calculator & Student's t Distribution Calculator

T Test Calculator
Enter first set of values	5,20,40,80,100 Enter the Numbers with Comma separated(,)
Enter second set of values	1,29,46,78,99 Enter the Numbers with Comma separated(,)

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

T Test Formula & Calculation

where

x₂ is the mean of first data set

x₁ is the mean of first data set

S₂² is the standard deviation of first data set

S₁² is the standard deviation of first data set

N₂ is the number of elements in the first data set

N₁ is the number of elements in the first data set

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