Paired t-test Calculator

Paire t-test Calculator
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Enter Data (Separated by comma ,)
Level of Significance ($\alpha$)
Tail Left tailed Right tailed Two tailed
Number of pairs of Obs. (n):
Mean of Diff.: $\overline{d}$
Std. Dev. of D: $s_d$
Standard Error of $\overline{d}$
Test Statistics t:
Degrees of Freedom:
t-critical value(s):

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