statistex property

statistex_test.exs

check all samples <- list_of(float(), min_length: 1) do
  stats = statistics(samples)

  assert stats.sample_size >= 1
  assert stats.minimum <= stats.maximum

  assert stats.minimum <= stats.average
  assert stats.average <= stats.maximum

  assert stats.minimum <= stats.median
  assert stats.median <= stats.maximum

  assert stats.median == stats.percentiles[50]

  assert stats.standard_deviation >= 0
  assert stats.standard_deviation_ratio >= 0

  # property that mode occurs in the sample omitted for brevity
end