However, this does not take into consideration the variation in scores amongst the 50 students (in other words, the standard deviation). After all, if the standard deviation is 15, then there is a reasonable amount of variation amongst the scores when compared with the mean.
Quick Answer. Macrominerals are inorganic nutrients that the human body requires in large quantities because they carry out several critical bodily functions. The most important macrominerals include potassium, calcium, magnesium, sodium, chloride, sulfur and phosphorus.
The RDA of 4700 mg can be found in many foods such as bananas, orange juice, potatoes and fish. Chloride and Sodium. Chloride and Sodium are also considered important macro minerals. However, since these minerals are carried into the body through salt, the average American diet is seldom lacking in them. If you eat a low salt died, consult with your doctor to be sure you are receiving enough of these minerals.