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# A correlation coefficient is an index number constrained to fall between the range of: 0 and 1. 0 and 100.00 and +1.00 and 0. -100 and 0.

A correlation coefficient is an index number constrained to fall between the range of:

0 and 1.00.

0 and 100.

-1.00 and +1.00.

-1.00 and 0.

-100 and 0.