Winter in Chicago proves quite variable: Seasonal snowfall in the city has ranged from 9.8 inches (24.9 cm) (in 1920â21) up to 89.7 in (228 cm) (in 1978â79) and the average annual snowfall in Chicago is 36 inches (91 cm).
Fluctuation (noun). a wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices. Fluctuation (noun). the motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion.iktionary (0.00 / 0 votes) Rate this definition: fluctuation (Noun). A motion like that of waves; a moving in this and that direction. the fluctuations of the sea. fluctuation (Noun). A wavering; unsteadiness.
A correlation coefficient is a statistical measure of the degree to which changes to the value of one variable predict change to the value of another. When the fluctuation of one variable reliably predicts a similar fluctuation in another variable, thereâs often a tendency to think that means that the change in one causes the change in the other.