If the Correlation Between X and Y Is Equal to -1.0,what

question 57

Multiple Choice

If the correlation between X and Y is equal to -1.0,what do we know about the prediction of Y by X?

• A)It is weak.
• B)It is positive.
• C)It is perfect.
• D)It is direct.

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Definitions:

Standard Error

A statistical term that measures the accuracy with which a sample distributes around the population mean; it is the standard deviation of the sampling distribution.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to estimate population parameters.

Formal Charge

Used to calculate the charge of an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms.

Nitrogen

A chemical element with symbol N and atomic number 7, essential for life and a major component of the Earth's atmosphere.