Correlation and Regression Analysis
After completing this chapter, you can understand the following:
- The definition, meaning and significance of correlation coefficient, and rank correlation coefficient.
- The construction of regression lines.
- The utilization of the regression line concept to estimate the values.
- Its implication towards the decision-making applications with respect to biological studies.
We shall now study two [bivariate] or more variables [multivariate] simultaneously and make an attempt to find the relationship among the variables in quantitative/qualitative form. In reality, we have many such related variables such as crop per acre and fertilizer, height and weight, birth and death ...