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.
This means that it will take between 1 and 2 days just to have eliminated 50% of the drug from systemic circulation. Based on the 30 to 40 hour half-life estimation of clonazepam, we can estimate that Klonopin is likely to stay in your system for 6.88 to 9.17 days after your final dose. Other sources suggest that clonazepam may have a wider ranging half-life between 18.7 hours to 60 hours.