In the Dataset Above, Sales Numbers Are Recorded for Each

question 19

Essay

$\begin{array}{|c|c|}\hline \text { Sales (1 year ago) } & \text { Sales (today) } \\\hline 5546 & 3582 \\\hline 5536 & 5567 \\\hline 5896 & 4712 \\\hline 5768 & 5345 \\\hline 4864 & 5382 \\\hline 6269 & 7011 \\\hline 7462 & 4411 \\\hline 3793 & 4496 \\\hline 5895 & 4821 \\\hline 7186 & 3471 \\\hline\end{array}$ In the dataset above, sales numbers are recorded for each of our 10 employees both today and one year ago. Last year, we implemented a new training program and we would like to see if this has increased sales.
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.

---

Definitions:

Financial Statement Analysis

The process of examining financial statements to make decisions about future performance and financial health.

Liquidity and Efficiency

Financial metrics that measure a company's ability to meet short-term obligations and effectively manage assets.

Short-term Obligations

Financial liabilities that are due for payment within a short period of time, typically less than one year.

Profitability

A measure of the efficiency and effectiveness of a company in generating profit from its operations. It indicates the company's ability to produce income relative to its revenue, assets, equity, or other financial metrics.