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14 January, 14:35

Which of the statements below are true? Select all that apply.

A. A correlation of r =.92 indicates a strong, positive correlation.

B. Correlation must be between 0 and 1.

C. A correlation of r = -.17 indicates a strong, negative correlation.

D. A correlation of r =.01 means there is no significant correlation.

E. Correlation must be between - 1 and 1.

F. Correlation is a numeric measure of the strength and the direction between two categorical variables.

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  1. 14 January, 14:56
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    A is true: the absolute value of 0.92 is close to 1, and 0.92 is positive.

    B is false: correlation can also be negative.

    C is false: the absolute value of -.17 is closer to 0 than 1; therefore, it is a weak correlation.

    D is true: the absolute value of. 01 is very close to 0, meaning that there is no significant correlation.

    E is true: correlation can range from - 1 (perfect negative) to 1 (perfect positive).

    F is false: it measures the strength and direction between two numerical variables!

    In conclusion, A, D, and E are true.
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