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).
The five main flavors that occur in taste acuity: 1  Salty (sodium chloride and other salts) 2  Sweet (sugars) 3  Sour (acids)  Bitter 1  (alkaloids) Umami (savory)-amino acids (Umami means delicious essence)  All other flavors are combinations of these five primary tastes, plus accompanying olfactory and taste sensations.