Table 2.

Variability in multiple research topics.

Topics	Description
1. Climate variability	Changes in the components of the climate system and their interactions.
2. Genetic variability	Measurements of the tendencies of individual genotypes between regions.
3. Heart rate variability	Physiological phenomenon where the time interval between heart beats varies.
4. Human variability	Measurements of the characteristics, physical or mental, of human beings.
5. Spatial variability	Measurements at different spatial points exhibit different values.
6. Statistical variability	A measure of dispersion in statistics.