When Testing for Independence in a Contingency Table with 3

question 106

Multiple Choice

When testing for independence in a contingency table with 3 rows and 4 columns,there are _____ degrees of freedom.

• A)5
• B)6
• C)7
• D)12

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Definitions:

Acetylcholine

A neurotransmitter that plays a role in muscle movement and various brain functions.

Norepinephrine

Neurotransmitter substance released from most of the postganglionic neurons of the sympathetic division; hormone released from the adrenal cortex that increases cardiac output and blood glucose levels; also called noradrenaline.

Myenteric Plexus

A network of neurons located between the layers of the gastrointestinal tract, playing a crucial role in the regulation of digestive tract motility.

Interstitial Cells

Cells located amongst the tissues of an organ, often referring to cells in the testes and ovaries that produce hormones.