Standard deviation from ungrouped data. The standard deviation is a summary measure of the differences of each observation from the mean. If the differences themselves were added up, the positive would exactly balance the negative and so their sum would be zero. Consequently the squares of the differences are added.
A pissant, also seen as piss ant or piss-ant, refers to a specific type of ant. The word is also used as a pejorative noun or adjective, indicating insignificance.he original pissant is any of a certain group of large ant species, commonly called wood ants, that make mounded nests in forests throughout most of Europe.
A group of ants is called a colony, or sometimes an army. Ants are a social insect, and live in large groups that have one 'queen' ant, and many 'worker' ants that are responsible for foraging for food, as well as caring for the queen and her offspring.f you have ants in your home or place of business, you can save money on our pest control services with our coupon. âBye Bye Ants :)) love this company. I switched from another company and I am so happy that I did :) they are very knowledgeable and the employees are so friendly!!!! â.