The ANOVA Test Performed for Determined That Not All Mean

question 82

Multiple Choice

The ANOVA test performed for determined that not all mean commute times across the four cities are equal. However, it did not indicate which means differed. To find out which population means differ requires further analysis of the direction and the statistical significance of the difference between paired population means. Tukey 95% confidence intervals are shown below. Which of these pairs of cities show a significant difference between the average commute times to work?

• A) Charlotte - Tucson
• B) Charlotte - Akron
• C) Houston - Charlotte
• D) Tucson- Akron

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Definitions:

Fight-or-flight Response

An automatic physiological reaction to an event that is perceived as stressful or frightening, preparing the body to either fight or flee from the threat.

Fight-or-flight Response

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival, mobilizing the body for quick action.

Involuntary Reaction

A reflex or response to a stimulus that is automatic and not under the conscious control of an individual.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions, such as the heartbeat and digestion, and regulates basic body processes.