What Is Indicated by a Positive Value for a Correlation

question 19

Multiple Choice

What is indicated by a positive value for a correlation?

• A)increases in X tend to be accompanied by increases in Y
• B)increases in X tend to be accompanied by decreases in Y
• C)a much stronger relationship than if the correlation were negative
• D)a much weaker relationship than if the correlation were negative

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Definitions:

Expected Amount

The predicted value or mean of all possible outcomes of a variable, weighted by their probabilities.

Probability Model

A mathematical representation of a random process, describing all possible outcomes and their associated probabilities.

Ace Of Hearts

A playing card in the heart suit, regarded as either the highest or lowest depending on the game.

Comma Splice

A grammatical error involving the incorrect use of a comma to join two independent clauses without a conjunction.