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.
Most patients who complain of a loss of taste actually suffer from a loss of smell. The majority of a foodâs flavor comes from our ability to smell it. The tongue is our taste organ, and can sense salty, sweet, sour, bitter, and umami (or savory). The rest of a foodâs flavor is provided by our sense of smell.