Question #6421698Single Choice

Algebra-1

Question

If the correlation coefficient between variable A and variable B is - 0.8, which of the following statements is correct?

Options

A
    There must be a causal relationship between variable A and variable B, and an increase in A leads to a decrease in B.
B
    Variable A and variable B have a strong negative correlation, but not necessarily a causal relationship.
C
    Variable A and variable B have no correlation because the correlation coefficient is less than 0.
D
    The correlation between variable A and variable B is very weak.

Answer & Analysis

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