@Test
public void testStdDevForGivenMean() throws Exception {

  Path input = getTestTempFilePath("stdDev/counts.file");
  Path output = getTestTempFilePath("stdDev/output.file");
  
  produceTestData(input);
  
  double v = BasicStats.stdDevForGivenMean(input, output, 0.0D, conf);
  assertEquals(10.65, v, 0.01); //sample std dev is 10.65
}