Which Describes an Outlier

question 43

Multiple Choice

Which describes an outlier?

• A) A data point with a value outside what is predicted by other data points
• B) Any data point far from the median point,but still within 2 standard deviations from the mean
• C) A study result that is directly attributable to randomness
• D) A study score from a subject lost to attrition after the study begins

---

Definitions:

Negative Slope

Negative slope indicates a decrease in the variable on the y-axis as the variable on the x-axis increases, often seen in graphs representing inverse relationships.

Positive Slope

A line or curve on a graph that moves upwards from left to right, indicating a positive relationship between two variables.

Variable on the Vertical Axis

In a graph, the variable that is represented on the vertical (y) axis, which is typically the dependent variable in an analysis.

Variable on the Horizontal Axis

Represents independent variables in graphical representations, typically plotted along the x-axis.