If the Coefficient of Correlation Is −0

question 252

Multiple Choice

If the coefficient of correlation is −0.80,then the percentage of the variation in y that is explained by the variation in x is:

• A)80%
• B)64%
• C)89%
• D)None of these choices.

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Definitions:

Pairwise Majority Voting

A voting system in which each option is compared head-to-head with every other option, and the option that wins the most comparisons is selected.

Transitivity

The concept in mathematics and logic that if relation "A" is related to "B", and "B" is related to "C", then "A" is related to "C".

Prefers

Indicates a choice or inclination for one option over others based on certain criteria or personal judgment.

Transitivity

In decision theory and economics, the concept that if option A is preferred to B, and B is preferred to C, then A should be preferred to C.