Fish Food. Fish love to gobble down leeches. A healthy fish population will, in most cases, keep leech numbers under control. Among game and lake fish, red ear sunfish do a great job of eating these worms. Other natural leech predators include turtles, crayfish and water fowl. Prevention, Removal
This literally means from after the fact. The term. is used to identify that the research has been conducted after the phenomenon of interest. has occurred naturally. The main purpose of a correlational study is to determine. relationships between variables, and if a relationship exists, to determine a regression. equation that could be used make predictions to a population. In bivariate correlational. studies, the relationship between two variables is measured.
Correlation Coefficient is a vital aspect used in statistics to calculate the strength and direction of the linear relationship or the statistical relationship (correlation) between the two population data sets. In the formula, the symbols Î¼x and Î¼y represents the mean of the two data sets X and Y respectively.