Random Samples Were Selected from Three Populations At a 5% Level of Significance, Test to See If

question 8

Essay

Random samples were selected from three populations. The data obtained are shown below. $$\begin{array} { c c c } \text { Treatment 1 } & \text { Treatment 2 } & \text { Treatment 3 } \\45 & 30 & 39 \\41 & 34 & 35 \\37 & 35 & 38 \\40 & 40 &\end{array}$$ At a 5% level of significance, test to see if there is a significant difference in the means of the three populations. (Please note that the sample sizes are not equal.)
​

---

Definitions:

Wilhelm Wundt

Considered the father of experimental psychology, he established the first psychology laboratory at the University of Leipzig in 1879.

Behaviour

Behaviour refers to the actions or reactions of an individual or a system in response to external or internal stimuli.

Multiple Causes

The principle that complex events or outcomes typically result from a combination of various factors, not just a single cause.

Sociohistorical Context

The social, historical, and cultural background or environment in which an event or phenomenon occurs.