In Chapter 16, We Presented the Data from an Independent

question 24

Multiple Choice

In Chapter 16, we presented the data from an independent groups design and asked if it was appropriate to use parametric ANOVA. The data are presented again below. The correct answer was that it was not appropriate to use parametric ANOVA because of unequal n s and homogeneity of variance assumption violation. Instead, analyze the data with the Kruskal-Wallis test. What are the df?

• A) 1
• B) 2
• C) 3
• D) need more information

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Definitions:

Red Algae

A diverse group of eukaryotic, photosynthetic algae, often found in marine environments, known for their reddish pigments.

Red Algal Ancestor

The ancient progenitor of current red algae species, suggesting a common lineage from which modern red algae have evolved.

Land Plants

Organisms that are part of the kingdom Plantae, characterized by their ability to perform photosynthesis and live predominantly on land.

Causal Organism

A pathogen or microorganism that causes disease or illness in its host.