The Width of a Confidence Interval Will Be

question 92

Multiple Choice

The width of a confidence interval will be

• A) narrower for 98 percent confidence than for 90 percent confidence.
• B) wider for a sample size of 64 than for a sample size of 36.
• C) wider for 99 percent confidence than for 95 percent confidence
• D) narrower for a sample size of 25 than for a sample size of 36.
• E) None of the other choices is correct.

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Definitions:

Reflex Arc

The neural pathway that mediates a reflex action, involving receptors, sensory neurons, and effector organs.

Motor Neuron

A type of nerve cell responsible for sending signals from the brain and spinal cord to muscles, triggering movement.

Cerebral Cortex

The outer layer of the cerebrum, involved in complex brain functions such as thought, memory, and sensory processing.

Effector

A part of the body, such as a muscle or gland, that becomes active in response to nerve impulses.