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Which one of the following is correct if the correlation coefficient is r = -0.9?Weak and negative correlationStrong and negative correlationNo correlationWeak and positive correlation

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ANSWER:

2nd option: Strong and negative correlation

STEP-BY-STEP EXPLANATION:

The degree of association is measured by a correlation coefficient, denoted by r. The correlation coefficient is measured on a scale ranging from +1 to 0 to -1.

The closer the value is to 1 or -1, the stronger the correlation becomes.

Which means that if it is equal to -0.9, it is a strong correlation.

Therefore, the correct answer is the 2nd option: Strong and negative correlation

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