Both correlational studies and differential research examine the relationship between two variables.
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Q43: With a very small sample, it is
Q44: A researcher obtained a correlation of r
Q45: For a positive correlation,decreases in X tend
Q46: A Pearson correlation of r = −1.00
Q47: Suppose there is a correlation of +0.87
Q49: A correlation of r = −0.90 means
Q50: With a very large sample, even a
Q51: If decreases in the X variable are
Q52: A researcher knows that there is a
Q53: The electric company uses the correlation between
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