Page 2 CORRELATION – KARL PEARSON’S COEFFICIENT OF CORRELATION- INTERPRETATION OF CORRELATION COEFFICIENT Page 3 CORRELATION – KARL PEARSON’S COEFFICIENT OF CORRELATION- INTERPRETATION OF CORRELATION COEFFICIENT MEANING OF CORRELATION • The method of correlation is developed by Francis Galton in 1885. • It is the relationship between two sets of scores or variables. • Whenever two variables of the same group are so related that the increase or decrease are correspond to the increase or decrease to another or conversely , increase or decrease corresponds to the decrease or increase to another ,they are said to be correlated. Page 4 CORRELATION – KARL PEARSON’S COEFFICIENT OF CORRELATION- INTERPRETATION OF CORRELATION COEFFICIENT MEANING OF CORRELATION • The method of correlation is developed by Francis Galton in 1885. • It is the relationship between two sets of scores or variables. • Whenever two variables of the same group are so related that the increase or decrease are correspond to the increase or decrease to another or conversely , increase or decrease corresponds to the decrease or increase to another ,they are said to be correlated. TYPES OF CORRELATION On the basis of direction of the relation between variables, there are three types of correlation. That are , 1. Positive Correlation 2. Negative Correlation 3. Zero Correlation Page 5 CORRELATION – KARL PEARSON’S COEFFICIENT OF CORRELATION- INTERPRETATION OF CORRELATION COEFFICIENT MEANING OF CORRELATION • The method of correlation is developed by Francis Galton in 1885. • It is the relationship between two sets of scores or variables. • Whenever two variables of the same group are so related that the increase or decrease are correspond to the increase or decrease to another or conversely , increase or decrease corresponds to the decrease or increase to another ,they are said to be correlated. TYPES OF CORRELATION On the basis of direction of the relation between variables, there are three types of correlation. That are , 1. Positive Correlation 2. Negative Correlation 3. Zero Correlation POSITIVE CORRELATION If when the first variable increases or decreases the other also increases or decreases respectively their relationship is said to be Positive correlation , because they move in the same direction. Eg. Intelligence and AchievementRead More

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