standard deviation
Statistical index of the degree of deviation from central tendency, namely, of the variability within a distribution; the square root of the average of the squared deviation’s from the mean.
A measure of dispersion or variation used to describe a characteristic of a frequency distribution.
The degree of variation in a sample from the mean value.
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..