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

question 52

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 Salary to have a mean of 621, but you want to know if your sample comes from a different population.
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:

External Stimuli

Surrounding factors or influences that impact an individual from the outside environment.

Circadian Rhythms

Physical, mental, and behavioral changes that follow a 24-hour cycle, responding primarily to light and darkness in an organism's environment.

Biological Cycles

Natural, rhythmic processes in living organisms that can affect physical and mental states, such as circadian rhythms.

Electroencephalograph

A medical instrument used to measure the electrical activity of the brain, often used in diagnosing neurological conditions.