Correlation free essay sample

Most variables show some sort of relationship. There is relationship in supply and demand, quality and price, and checks and balances. With the assistance of correlation, one can estimate the value of a variable with the value of another (What Is The Importance Of Correlation, 2012. ) A correlation is the relationship between variables. The variables already occur in a population and the researcher does not control the correlation. A positive correlation is a direction connection between variables; when one variable increases the second variable will increase. An example of this would be when the quality of an item is high, the price will also be high. In negative correlation, one variable increases while the other decreases. An example of this would be when the milligrams of Sodium increases in a food item, the price of the food item decreases. With regard to these two types of correlation, there is no proof that the changes in one variable cause changes in the other; it just indicates that there is a relationship. We will write a custom essay sample on Correlation or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Advantages of correlation are that this approach shows relationships between variables, and large amounts of input can be inexpensively compared. One major disadvantage is that one variable does not cause the change of another. Simply put, a researcher should spend time in the early stages of a research study to establish a relationship between variables. This increases the possibility of collaboration that is successful.