ANOVA Table Post Hoc Analysis

question 117

Multiple Choice

ANOVA table Post hoc analysis
Tukey simultaneous comparison t-values
The Excel/MegaStat output given above summarizes the results of a one-way analysis of variance in an attempt to compare the performance characteristics of four brands of vacuum cleaners. The response variable is the amount of time it takes to clean a specific size room with a specific amount of dirt.
At a significance level of .05, we would

• A) not be able to reject the null hypothesis of equal population means.
• B) reject the null hypothesis of equal population means.
• C) reject or fail to reject depending on the value of the t statistic.
• D) not be able to decide whether or not to reject the null hypothesis due to insufficient information.

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Definitions:

RMBCA

The Revised Model Business Corporation Act, which provides a model framework for the governance of corporations, intended to standardize corporate law across jurisdictions.

Board of Directors

A group of individuals elected by shareholders to oversee the management and make key decisions for a corporation.

Derivative Suit

A lawsuit brought by a shareholder on behalf of a corporation against a third party, often an insider of the corporation, when the corporation fails to take action against the wrongdoer.

Ultra Vires

Acts performed beyond the scope of the legal power or authority granted to a person or corporation.