Find the Value of the Linear Correlation Coefficient R A) -0071
B) 0

question 11

Multiple Choice

Find the value of the linear correlation coefficient r. The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) :
$\begin{array} { l | r | r | r | r | r | r | r | r } \text { Cost } & 9 & 2 & 3 & 4 & 2 & 5 & 9 & 10 \\\hline \text { Number } & 85 & 52 & 55 & 68 & 67 & 86 & 83 & 73\end{array}$

• A) -0.071
• B) 0.708
• C) 0.235
• D) 0.246

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Definitions:

Materials

The physical commodities used in the production of goods, ranging from raw materials to fully fabricated components.

Spending Variance

The difference between the actual spending and the budgeted or planned spending amount in a given period.

Medical Supplies

Products and equipment used in healthcare practices for treatment, diagnosis, or preventive care purposes.

Activity Variance

A disparity that arises when the actual level of business activity differs from what was planned or expected.