In Practice,what Is the First Step in Interpreting the T-Test

question 12

Multiple Choice

In practice,what is the first step in interpreting the t-test when comparing two means?

• A)compute the t-test value
• B)find the p-value associated with the t and the corresponding degrees of freedom
• C)examine the difference in means to find the "direction" of any difference
• D)examine if there is a difference at the 50 percent confidence interval before examining the 95 percent confidence interval

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Definitions:

Common Ancestor

The most recent individual from which all organisms in a group are directly descended.

Phylogenetic Systematics

A method of classifying organisms based on their evolutionary relationships, utilizing genetic, morphological, and other data to infer a "family tree" of life.

Dinosaur Genera

Categories in the classification of dinosaurs, where each genus comprises one or more species that are closely related.

Monophyletic Clade

A Monophyletic Clade is a group of organisms that consists of a single common ancestor and all its descendants, representing a complete branch on the tree of life.