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.
Q1. Minerals are the materials of which rocks are made. A common example is granite, which is composed of the minerals quartz, feldspar, and mica. Each type of mineral has a distinctive composition and certain chemical and physical properties.1. Minerals are the materials of which rocks are made. A common example is granite, which is composed of the minerals quartz, feldspar, and mica. Each type of mineral has a distinctive composition and certain chemical and physical properties.