Correlation is a statistical measure that describes the strength and direction of a linear relationship between two variables. It is quantified using the correlation coefficient, which ranges from -1 to 1. A correlation coefficient of 1 indicates a perfect positive linear relationship, while -1 indicates a perfect negative linear relationship. A coefficient of 0 suggests no linear relationship. Positive values imply that as one variable increases, the other tends to increase, and negative values imply that as one variable increases, the other tends to decrease. Correlation helps to understand how variables move together but does not imply causation. This is an advanced MCQ on Correlation and Regression with Answers. You can download the question paper as PDF rom the link provided in the result page of the quiz.
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