If the Correlation Between X and Y Is -0

question 52

Multiple Choice

If the correlation between X and Y is -0.72, approximately what percentage of the variance in Y can be explained by X?

• A) 52 percent
• B) 72 percent
• C) 85 percent
• D) 28 percent

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Definitions:

Planning Fallacy

The tendency for plans to be overly optimistic because the planner fails to allow for unexpected problems.

Overly Optimistic

Describes a tendency to hold a rosier outlook than reality might support, often resulting in unrealistic expectations.

Hierarchy Of Goals

A prioritized structure of objectives, ranging from the most immediate and individual to the broad and long-term.

Planning Fallacy

The tendency to underestimate how much time is needed to complete a task, leading to overly optimistic time estimations.