The T Value Is Used for Many Tests Instead of the Z

question 53

Multiple Choice

The t value is used for many tests instead of the z value because:

• A)it is easier to calculate and to interpret.
• B)it is more widely known among statisticians.
• C)assumptions of the z value are violated if sample size is 30 or less.
• D)it is available on statistical software packages.
• E)assumptions of the t value are violated if the sample size is 10 or less.

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Definitions:

Gastric Acid

A digestive fluid formed in the stomach, consisting mainly of hydrochloric acid and enzymes that break down food particles.

Neurotransmitter

Chemical messengers released from neurons to transmit signals across synapses to other neurons or cells.

Receptor Sites

Specific locations on the surface of a cell or within a cell where hormones, neurotransmitters, or drugs can bind to create a change in the cell.

Postsynaptic Neuron

The neuron that receives a signal (neurotransmitter) across the synaptic gap from a presynaptic neuron.