This is why you rarely see bats hanging in an attic in the winter-it is just too cold for survival. People who have a colony of bats in their home often describe a scratching sound or occasionally get a bat inside their home. We believe that the bats move around and adjust their position based upon the temperature.
The mean of a set of numbers is their average. You find the average of a set of numbers by adding them up and dividing by the number of numbers you have. So, the mean of 3,4,6,9, and 3 is: 3 + 4 + 6 + 9 + 3 25 ----------------- = -- = 5 5 5.
A reference to two terms; a mathematical expression is made up of two terms and a plus or minus sign. 2. In biology, relating to a pair of Latin or Latinized words forming a scientific name in the classification of plants, animals, and microorganisms. The first word represents the genus and the second the species.