B. M. Cesana, Sample size for testing and estimating the difference between two paired and unpaired proportions: A two-step procedure combining power and the probability of obtaining a precise estimate, Statistics in Medicine , 2004, 23 : 2359–2373....
Electrons occur in atomic orbitals. They are in free movement around the atomic nucleus. These electrons may occur in two types as paired or unpaired electrons. The difference between paired and unpaired electrons is that paired electrons cause the diamagnetism of atoms whereas unpaired electrons caus...