The following points highlight the five types of measures of variability. The types are: 1. Range 2. Standard Deviation 3. Variance 4. Standard Error 5. Coefficient of Variation. Variability: Type # 1. Range: Range is the difference between the lowest and the highest values present in the observations in a sample. If there are 20 observations on seed oil content [...]
In this article we will discuss about:- 1. Meaning of Regression Coefficient 2. Properties of Regression Coefficient 3. Computation 4. Applications. Meaning of Regression Coefficient: Regression coefficient is a statistical measure of the average functional relationship between two or more variables. In regression analysis, one variable is considered as dependent and other(s) as independent. Thus, it measures the degree of [...]
In this article we will discuss about:- 1. Meaning of Experimental Designs 2. Principles of Experimental Designs 3. Factors. Meaning of Experimental Designs: Experimental designs are various types of plot arrangements which are used to test a set of treatments to draw valid conclusions about a particular problem. Before dealing with experimental designs, it is necessary to define experiment, treatment [...]