Lines Matching refs:n2
50 n2 = len(sample2)
51 t = _TValue(mean1, mean2, v1, v2, n1, n2)
52 df = _DegreesOfFreedom(v1, v2, n1, n2)
57 def _TValue(mean1, mean2, v1, v2, n1, n2):
69 n2: Sample size of sample 2.
77 return (mean1 - mean2) / (math.sqrt(v1 / n1 + v2 / n2))
80 def _DegreesOfFreedom(v1, v2, n1, n2):
90 n2: Size of sample 2.
99 if n1 <= 1 or n2 <= 2:
101 df = (((v1 / n1 + v2 / n2) ** 2) /
103 (v2 ** 2) / ((n2 ** 2) * (n2 - 1))))