A Statistician Adds All of the Test Scores for a Group

question 191

Multiple Choice

A statistician adds all of the test scores for a group of participants and then divides the sum by the number of participants. The result of his calculation is the ____________ of the test scores.

• A) arithmetic mean
• B) effect size
• C) p value
• D) standard deviation

---

Definitions:

Terrorist Attacks

Violent acts intended to create fear, carried out by individuals or groups for ideological, religious, or political objectives.

Post Hoc Fallacy

A logical error where one assumes that since event A happened before event B, A must have caused B.

Correlation Problem

Issues arising from attempts to interpret or infer causality from purely correlational data without establishing a clear causal relationship.

Causation

The relationship between cause and effect, where one event (the cause) directly results in another event (the effect).