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.

Identify the roles of different types of cells (rods, cones, ganglion cells) in vision.

Comprehend the pathway of nerve impulses from the eye to the brain.

Describe the mechanisms of color vision and the theories explaining it.

Recognize the causes and implications of certain visual phenomena (e.g., blind spot, why stars disappear/reappear when looked at directly).

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Definitions:

U.S. Population

U.S. Population refers to the total number of people living in the United States at a given time, including both citizens and non-citizens.

Million

A numerical value representing one thousand thousands, or 1,000,000, often used as a unit of measure in demographics, finance, and other areas.

Great Recession

A global economic downturn that occurred from 2007 to 2009, sparked by the collapse of the U.S. housing market and leading to high levels of unemployment and financial instability.

Dissolving

The process of a substance becoming incorporated into a liquid to form a solution, or metaphorically, the disintegration or ending of an entity or relationship.