A Chi-Squared Test Statistic in a Test of a Contingency

question 22

Multiple Choice

A chi-squared test statistic in a test of a contingency table that is equal to zero means:

• A)The two nominal variables are equal.
• B)The two nominal variables are independent.
• C)The two nominal variables have the same proportions listed in H₀.
• D)All of these choices.

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Definitions:

Anxiety

A feeling of worry, nervousness, or unease about something with an uncertain outcome.

Gamma-Aminobutyric Acid (GABA)

A neurotransmitter in the brain that inhibits nerve transmission, helping to regulate nervous system activity.

Neurotransmitter

A chemical substance that is released by a transmitting neuron at the synapse and that alters the activity of a receiving neuron.

Anxiety

A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.