A Test Is Made Of $H _ { 0 } : \mu = 69 \text { versus } H _ { 1 } : \mu \neq 69$

question 4

Multiple Choice

A test is made of $H _ { 0 } : \mu = 69 \text { versus } H _ { 1 } : \mu \neq 69$
A sample of size n=72 is drawn, and $\bar { x } = 70$ The population standard deviation is $\sigma = 27$ Compute the value of the test statistic z .

• A) 0.04
• B) 1.63
• C) 0.62
• D) 0.31

---

Definitions:

Reflex Arcs

The neural pathway that mediates a reflex action, involving receptors, sensory neurons, sometimes an interneuron, motor neurons, and effectors.

Interneuron

A type of neuron that serves as a connection between sensory neurons and motor neurons, facilitating communication within the central nervous system.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of data points around their mean average.

Fixed-Interval

In the context of psychological reinforcement, it refers to a schedule where rewards are given after a fixed time period has elapsed, assuming a correct response is made.