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.
* Post-nasal drainage, such as with a sinus infection (sinusitis) or allergies. Rarely, a salty taste in the mouth is due to a nutritional deficiency, endocrine disorder or neurological disorder, such as epilepsy or migraine. Treatment is directed at the underlying cause, if possible.
This condition can happen when people have been vomiting, or have a fever, or when they are exercising too much, not replacing fluids and have too much salt in their system from drinking salty sports drinks or tablets, or from salty foods.