After reading this article you will learn about the correlation and linear regression analysis. Correlation: Association between variables or attributes or characteristics at a given time is known as correlation. Example: (i) The amount of rainfall and yield of a certain crop; (ii) Age of husband and wife; (iii) Height and weight of students and (iv) Different concentrations of mutagen [...]
This article provides a study note on analysis of variance. It is a measure of variation among treatments/genotypes/replications, etc., and is obtained by dividing the sum of squares (SS) by corresponding degrees of freedom (n — 1) to get mean sum of squares (MSS), i.e., variance. Variance parameter widely used in statistical analysis is the comparison among different sample means. [...]
After reading this article you will learn about:- 1. Definition of Statistics 2. Characteristics of Statistics 3. Classes 4. Statistical Error. Definition of Statistics: According to Horace Secrist: 'By Statistics we mean aggregates of facts affected to a marked extent by multiplicity of causes numerically expressed, enumerated or estimated according to reasonable standards of accuracy, collected in a systematic manner [...]