What does a z-score of –2.0 mean? A The mean is 2 standard deviations less than the measurement. B The measurement is 2 standard deviations less than the mean. C There is an error in the measurement....

What does a z-score of –2.0 mean?
A The mean is 2 standard deviations less than the measurement.
B The measurement is 2 standard deviations less than the mean.
C There is an error in the measurement.
D The variance cannot be calculated because the z-score is negative.