The Number of Absences and the Final Grades of 9 $\alpha = .01$

question 32

Essay

The number of absences and the final grades of 9 randomly selected students from a statistics class are given below. Can you conclude that there is a correlation between the final grade and the number of absences? Use $\alpha = .01$ .
$\begin{array}{l|ccccccccc}\text { Number of Absences } & 0 & 3 & 6 & 4 & 9 & 2 & 15 & 8 & 5 \\\hline \text { Final Grade } & 98 & 86 & 80 & 82 & 71 & 92 & 55 & 76 & 82\end{array}$

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Definitions:

Direct Labor

The wages and benefits paid to employees who are directly involved in the production of goods or services.

Overhead Costs

Indirect costs or expenses related to the operation of a business that are not directly tied to a specific product or service, such as utilities, rent, and administrative expenses.

Work in Process

Work in process (WIP) refers to the materials and labor that are in the process of being manufactured but are not yet completed goods.

Selling Expenses

Costs incurred directly from the selling of goods or services, including advertising, sales commissions, and store displays.