What Does a Negative Value of R Mean

question 5

Multiple Choice

What does a negative value of r mean?

• A) There is no relationship between two variables
• B) High scores on one variable are associated with low scores on a second variable
• C) High scores on one variable are associated with high scores on a second variable
• D) There is a mistake in the calculation of the coefficient

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Definitions:

Type I Error

The incorrect rejection of a true null hypothesis in statistical hypothesis testing.

Type II Error

A statistical mistake of failing to reject a false null hypothesis, missing an actual effect or difference when it exists.

Power

In statistics, power refers to the probability that a test will reject a false null hypothesis, essentially measuring the test's capability to detect an effect if there is one.

Body Mass Index

A numerical computation using height and weight to classify an individual's body weight status.