The Degrees of Freedom for Testing the Independent of Two

question 19

Multiple Choice

The degrees of freedom for testing the independent of two variables defining a 4 x 5 contingency table are

• A)9
• B)12
• C)16
• D)19
• E)20

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Definitions:

Tube-with-a-Tube

A body plan characteristic of many animals, in which the inner tube represents the digestive tract, and the outer tube forms the body wall.

Body Plan

The general structure and arrangement of body parts in an organism.

Malpighian Tubules

The excretory organs of many arthropods.

Excretion

The discharge from the body of a waste product of metabolism (not to be confused with the elimination of undigested food materials). Compare with elimination.