Independent Random Samples of Ten Day Students and Ten Evening $\mu$

question 29

Essay

Independent random samples of ten day students and ten evening students at a university showed the following age distributions. We want to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference in the age distribution of the two groups.
a.Compute the sum of the ranks (T) for the day students.
b.Compute the mean $\mu$ _T.
c.Compute $\sigma$ _T.
d..
Use $\alpha$ = 0.05 and test for any significant differences in the age distribution of the two populations.

---

Definitions:

Conditioning

A behavioral process whereby a response becomes more frequent or more predictable in a given environment as a result of reinforcement, with reinforcement typically being a stimulus or reward for a desired response.

Surprise

An emotional response to unexpected events or information, characterized by heightened interest and physiological arousal.

Conditioned Emotional Response

A type of learned response in which an emotional reaction is elicited by a previously neutral stimulus through conditioning.

Classical Conditioning

The process of learning through which two stimuli are continually paired; a reaction that starts out being elicited by the second stimulus is in the end prompted by the sole presentation of the first stimulus.