6. 3. Multiple Correlation

7. 1. Perfect Correlation 2. High Degree of Correlation 3. Moderate Degree of Correlation 4. Low Degree of Correlation 5. Absence of Correlation Degree of correlation can be known by coefficient of correlation (r). The following can be various types of the degree of correlation.

10. METHODS OF STUDYING CORRELATION 1.GRAPHIC METHODS 1.SCATTER DIAGRAM 2.CORRELATION GRAPH 2.ALGEBRIC METHOD 3.KARL PEARSON COEFFICIENT OF CORRELATION 4.RANK CORRELATION METHOD. CONCURRENT DEVIATION METHOD