A Variable Contains Four Categories $\alpha$ = 10, the Appropriate Decision Is ___

question 59

Multiple Choice

A variable contains four categories.It is expected that data are uniformly distributed across these four categories.To test this, a sample of observed data is gathered on this variable resulting in frequencies of 22, 35, 32, and 21.Using $\alpha$ = .10, the appropriate decision is ___.

• A)do not reject the null hypothesis that the observed distribution is uniform
• B)do not reject the null hypothesis that the observed distribution is not uniform
• C)reject the null hypothesis that the observed distribution is uniform
• D)reject the null hypothesis that the observed distribution is not uniform
• E)do nothing

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Definitions:

Dopamine

A neurotransmitter involved in many functions including mood, sleep, learning, and the regulation of body movements, often associated with the pleasure and reward system of the brain.

Neuron

Specialized signaling cell in nervous tissue; transmits electrical signals along its plasma membrane and sends chemical messages to other cells via its endings.

Sodium

A soft, silvery-white, highly reactive metallic element, essential for numerous biological processes in animals and humans, particularly in nerve and muscle function.

Potassium

A chemical element with the symbol K, essential for many processes in organisms, especially in nerve function.