The Table Below Lists the Verbal and Math SAT Scores $\mathrm { r } _ { \mathrm { S } }$

question 19

Multiple Choice

The table below lists the verbal and math SAT scores of 35 students selected at random. Find the test statistic, $\mathrm { r } _ { \mathrm { S } }$ to test the claim of no correlation between verbal and math SAT scores. $$\begin{array}{l}\begin{array} { l | l l l l l l l l l l } \text { Verbal } & 295 & 380 & 385 & 290 & 370 & 400 & 300 & 350 & 420 & 310 \\\hline \text { Math } & 380 & 450 & 475 & 410 & 460 & 45 & 510 & 430 & 300 & 310\end{array}\\\\\begin{array} { l | l l l l l l l l l l } \text { Verbal } & 295 & 340 & 410 & 520 & 360 & 400 & 660 & 530 & 700 & 610 \\\hline \text { Math } & 440 & 500 & 400 & 480 & 410 & 380 & 500 & 540 & 580 & 620\end{array}\\\\\begin{array} { l | l l l l l l l l l l } \text { Verbal } & 290 & 470 & 510 & 380 & 390 & 550 & 420 & 430 & 330 & 370 \\\hline \text { Math } & 380 & 480 & 490 & 510 & 440 & 560 & 440 & 500 & 410 & 300\end{array}\\\\\begin{array} { l | l l l l l } \text { Verbal } & 430 & 390 & 530 & 380 & 390 \\\hline \text { Math } & 430 & 410 & 560 & 400 & 360\end{array}\end{array}$$

• A)0.545
• B)0.616
• C)0.731
• D)0.819

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Definitions:

Period Cost

Expenses that are not directly tied to the production process and are charged to the period in which they occur, such as selling and administrative expenses.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a specific product and are significant in cost.

Workman's Compensation

Insurance that provides wage replacement and medical benefits to employees injured in the course of employment.

Factory Utilities

Costs associated with utilities in a manufacturing plant, such as electricity and water, considered part of manufacturing overhead.