Standard Deviation. Standard deviation is a statistical measurement of the variation in a set of data. Standard deviation indicates how much the values of a certain data set differ from the mean on average.tandard deviation is a statistical measurement of the variation in a set of data. Standard deviation indicates how much the values of a certain data set differ from the mean on average.
The salty taste you are experiencing could be due to many causes. It could be that you are dehydrated especially if you are taking a medicine such as a diuretic, or drinking too much cafienated drinks (coffee, coke.. etc).
Post Nasal Drip. Post nasal drips caused by sinus infections, allergies, or just excessive mucus production in the throat, results in mucus accumulation in the back of the nose and throat. When the mucus drains down to the mouth, it causes a salty taste in the mouth.