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Lines Matching refs:stddev

13  *     (3) expected mean and stddev of the count of random numbers in each
19 * (a) the (given) expected mean and stddev,
22 * deviation less than stddev from the expectation;
24 * of [stddev, 2 * stddev) from the expectation;
26 * range of [2 * stddev, 3 * stddev) from the expectation; and
35 * towards the last bucket; the expected mean and stddev provided should
130 * Mathematical tricks to guarantee that both mean and stddev are
136 const size_t stddev = (N_BUCKET - 1) * q;
137 const size_t mean = N_BUCKET * stddev * q;
143 fill(stddevs, N_BUCKET, stddev);