Lines Matching refs:sigma
2624 # error case: negative sigma
2657 mu, sigma = 10_000, 3.0
2658 X = NormalDist(mu, sigma)
2665 self.assertTrue(mu - sigma*8 <= xbar <= mu + sigma*8)
2805 iq = NormalDist(100, 0) # sigma is zero
2883 X.overlap(NormalDist(1, 0)) # right operand sigma is zero
2885 NormalDist(1, 0).overlap(X) # left operand sigma is zero
2900 NormalDist(1, 0).zscore(100) # sigma is zero
2971 def __init__(self, mu, sigma, n):
2972 super().__init__(mu, sigma)
2982 def __init__(self, mu, sigma):
2984 self.sigma = sigma
3010 self.assertEqual(repr(nd), 'NormalDist(mu=37.5, sigma=5.625)')