StatPowers
Number of Groups:
Variable: , time units:
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Censored values: use a '+' (e.g. 7+)
       

Charts

Use colors Show Confidence Bounds

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Hypothesis Testing

Significance Level (α, optional)
t:
H0: =
H1: S₁ ≠ S₂
H0: =
H1: S₁ ≠ S₂