The T-Score Formula. The t-score is a fraction. The numerator is the sample's mean minus mean of the group you are comparing the sample to, and the denominator is the sample's standard deviation divided by the square root of the sample size.
If you have smoked marijuana then the drug will stay for 3 to 30 days. This is normal for the common drugs. But in the case of marijuana, this can be detected even after a month in Urine drug test marijuana. Marijuana will stay in your system for 10 days if you have been smoking occasionally.
BENZODIAZEPINE LEVELSBENZODIAZEPINES (ANTIANXIETY MEDS LIKE VALIUM, ATIVAN, XANAX,) can stay in your system anywhere from 48 hours to 72 hours. <<>>It depends on the amount of Benzodiazepines your taking. If it is a large amount the metabolites can last up to six weeks in your system.