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Natalia notices that if she does not sleep a lot at night, she feels tired the next day. What relationship (if any) exists between hours of sleep and degree of exhaustion? Click or tap a choice to answer the question. a. There is no correlation. b. There is a negative correlation. c. There is a positive correlation. d. There is an omitted variable.

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Answer:

The correct answer is letter "B": There is a negative correlation.

Explanation:

In the world of Finance, Correlation is a statistical measure of how two securities move in relation to each other. Correlation is represented by the correlation coefficient with ranges between (-1) and (+1). When two variables move in a similar direction, they are considered positively correlated. If the variable move in different directions they are negatively correlated.

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