Define coefficient of correlation. Explain the types of correlation.
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The correlation coefficient is a statistical measure that calculates the strength of therelationship between the relative movements of two variables. The values range between -1.0 and 1.0.
... A correlation of -1.0 shows a perfect negative correlation, while acorrelation of 1.0 shows a perfect positive correlation.
...There are three types of correlation: positive, negative, and none (no correlation).
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