Five Students Took a Math Test Before and After Tutoring

question 5

Essay

Five students took a math test before and after tutoring.Their scores were as follows. $$\begin{array} { c | c c c c c c } \hline \text { Subject } & \text { A } & \text { B } & \text { C } & \text { D } & \text { E } & \text { F } \\\hline \text { Before } & 69 & 68 & 73 & 69 & 65 & 78 \\\hline \text { After } & 73 & 77 & 71 & 72 & 77 & 82 \\\hline \text { B - A } & - 4 & - 9 & 2 & - 3 & - 12 & - 4 \\\hline\end{array}$$ Do the data suggest that the tutoring improves math scores? Conduct a Wilcoxon signed rank test using a 0.05 level of significance.

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Definitions:

Direct Labor-Hours

The total hours worked by employees who are directly involved in the manufacturing or production process.

Budgeted Costs

Estimated costs for a future period, used for planning and control purposes in budgeting process.

Beginning Inventory

The value of goods available for sale or use at the start of an accounting period before any purchases or production are added.

Ending Inventory

The total value or quantity of goods, materials, or products in stock at the end of an accounting period.