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be able to investigate the strength and direction of a relationship between two variables by collecting measurements and using suitable statistical analysis;. • In this textbook, we will study the relation and association between phenomena through the correlation and regression statistical data analysis, covering in With regression analysis we estimate the value of one variable (dependent variable) on the basis of one or more other variables (independent or explanatory Regression and correlation analysis can be used to describe the nature and strength of the relationship between two continuous variables. 1.1 Scatterplot. The Correlation analysis is a statistical technique to study the degree and direction of relationship between two or more variables. A correlation coefficient The analysis of variance of regression. The total sum of squares of the dependent variable (Y) can be partitioned into two.Chapter 10: Regression and Correlation. 344 variables are represented as x and y, those labels will be used here. It helps to state which variable is x and Regression and correlation analysis procedures are used to study the relationships between variables. Regression is used to predict the value of one variable