In the Dataset Above, Sales Numbers Are Recorded for Each

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.