A Sample of 26 Elements from a Normally Distributed Population

question 36

Multiple Choice

A sample of 26 elements from a normally distributed population is selected. The sample mean is 10 with a standard deviation of 4. The 95% confidence interval for μ is _____.

• A) 6.000 to 14.000
• B) 9.846 to 10.154
• C) 8.384 to 11.616
• D) 8.462 to 11.538

---

Definitions:

Alpha Motor Neurons

Nerve cells that connect to and control the contraction of skeletal muscles, playing a key role in initiating muscle movement.

Reflex Arc

The neural pathway that controls a reflex action, typically comprising a sensory receptor, a neural pathway, and an effector.

Motor Neuron

A type of nerve cell that transmits signals from the brain and spinal cord to muscles, causing them to contract.

Sensory Receptor

A specialized cell or group of nerve endings that responds to sensory stimuli such as light, sound, or touch.