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.
The answer depends on the specific dosage you are taking. However, Flexeril can generally remain in a personâs system for between 12 and 24 hours. If you are planning on taking a drug test, you should be aware that it is important to stop taking Flexeril at least 72 hours beforehand to ensure it is eliminated from your system.