For the Following Questions:
-In the Population, We'd Expect Weekly

question 53

Essay

$\begin{array}{|c|c|}\hline \text { Weekly salary } & \text { Weekly expenses } \\\hline 543 & 486 \\\hline 436 & 410 \\\hline 637 & 523 \\\hline 430 & 486 \\\hline 527 & 477 \\\hline 586 & 361 \\\hline 396 & 597 \\\hline 657 & 321 \\\hline 463 & 492 \\\hline 726 & 414 \\\hline\end{array}$ For the following questions:
-In the population, we'd expect Weekly Expenses to have a mean of 525, but you want to know if your sample comes from a different population with a lower mean.
1)State the research question.
2)State the hypotheses.
3)State the critical value.
4)Provide the formal test of the hypothesis.
5)State the confidence interval.
6)Is an effect size calculation appropriate? How do you know? If yes, calculate both a standardized and unstandardized effect size.
7)State all appropriate conclusions.

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Definitions:

Continuity

Continuity refers to the consistent existence or operation of something over a period of time, indicating stability and lack of interruption.

Gestalt Principle

A theory in psychology suggesting that people tend to perceive objects as part of a greater whole rather than as isolated parts.

Proximity

The physical closeness or distance between people or objects, which can influence perceptions, attitudes, and behaviors.

Figure-ground

A visual perception principle that describes how humans separate an object (the figure) from its surrounding area (the ground).