A Random Sample of Second-Round Gold Scores from a Major $\alpha = 0.10$

question 134

Multiple Choice

A random sample of second-round gold scores from a major tournament is listed below. At $\alpha = 0.10$ , is there sufficient evidence to conclude that the population variance exceeds
$\begin{array}{llll}\hline 74 & 82 & 76 & 74 \\78 & 77 & 81 & 82 \\74 & 75 & & \\\hline\end{array}$

• A) There is not enough information to draw a conclusion.
• B) No. There is not enough evidence to support the claim that the variance exceeds 9.
• C) Yes. There enough evidence to support the claim that the variance exceeds 9.

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Definitions:

Representativeness Heuristic

The tendency to overestimate the likelihood that a target is part of a category if the person has features that seem representative of that category.

Availability Heuristic

A mental shortcut that relies on immediate examples that come to a person's mind when evaluating a specific topic, concept, method, or decision.

Halo Effect

A cognitive bias where a positive impression in one area influences a person's perception in other areas.

Bottom-up Processing

A way of processing information where perception starts with an analysis of the basic elements and builds up to a complete perception.