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:

Aldosterone

Hormone secreted by the adrenal cortex that regulates the sodium and potassium ion balance of the blood.

ADH

Antidiuretic Hormone, also known as vasopressin, a hormone that helps regulate the body's balance of water by reducing the amount of water excreted in urine.

ACTH

Adrenocorticotropic hormone, a polypeptide tropic hormone produced and secreted by the anterior pituitary gland that stimulates the adrenal cortex.

Parathyroid Gland

Gland embedded in the posterior surface of the thyroid gland; it produces parathyroid hormone.