In Computing Spearman's Rho, the Sum of the D Column

question 17

Multiple Choice

In computing Spearman's rho, the sum of the D column must be________.

• A) 1.
• B) N.
• C) 0.
• D) the mean rank squared.

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Definitions:

Testable Hypotheses

are theories or predictions that can be empirically tested through experimentation or observation to determine their validity.

Illusory Correlation

The perception of a relationship between two variables when no such relationship exists, often leading to cognitive biases.

Overconfidence

A cognitive bias where an individual's subjective confidence in their judgments is greater than their objective accuracy.

Hindsight Bias

is the tendency to believe, after an event has occurred, that one would have predicted or expected the outcome, often referred to as the "I-knew-it-all-along" effect.